new appraoch

pancake/system/vendor/league/csv/LICENSE

@@ -0,0 +1,20 @@
+The MIT License (MIT)
+
+Copyright (c) 2013-2017 ignace nyamagana butera
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

pancake/system/vendor/league/csv/autoload.php

@@ -0,0 +1,18 @@
+<?php
+
+require __DIR__.'/src/functions_include.php';
+
+spl_autoload_register(function ($class) {
+
+    $prefix = 'League\Csv\\';
+    if (0 !== strpos($class, $prefix)) {
+        return;
+    }
+
+    $file = __DIR__.'/src/'.str_replace('\\', '/', substr($class, strlen($prefix))).'.php';
+    if (!is_readable($file)) {
+        return;
+    }
+
+    require $file;
+});

pancake/system/vendor/league/csv/composer.json

@@ -0,0 +1,82 @@
+{
+    "name": "league/csv",
+    "type": "library",
+    "description" : "CSV data manipulation made easy in PHP",
+    "keywords": ["csv", "import", "export", "read", "write", "filter", "convert", "transform"],
+    "license": "MIT",
+    "homepage" : "https://csv.thephpleague.com",
+    "authors": [
+        {
+            "name" : "Ignace Nyamagana Butera",
+            "email" : "nyamsprod@gmail.com",
+            "homepage" : "https://github.com/nyamsprod/",
+            "role" : "Developer"
+        }
+    ],
+    "support": {
+        "docs": "https://csv.thephpleague.com",
+        "issues": "https://github.com/thephpleague/csv/issues",
+        "rss": "https://github.com/thephpleague/csv/releases.atom",
+        "source": "https://github.com/thephpleague/csv"
+    },
+    "funding": [
+        {
+            "type": "github",
+            "url": "https://github.com/sponsors/nyamsprod"
+        }
+    ],
+    "require": {
+        "php" : "^7.4 || ^8.0",
+        "ext-json" : "*",
+        "ext-mbstring" : "*"
+    },
+    "require-dev": {
+        "ext-curl" : "*",
+        "ext-dom": "*",
+        "friendsofphp/php-cs-fixer": "^v3.4.0",
+        "phpunit/phpunit" : "^9.5.11",
+        "phpstan/phpstan": "^1.3.0",
+        "phpstan/phpstan-strict-rules": "^1.1.0",
+        "phpstan/phpstan-phpunit": "^1.0.0"
+    },
+    "autoload": {
+        "psr-4": {
+            "League\\Csv\\": "src"
+        },
+        "files": ["src/functions_include.php"]
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "LeagueTest\\Csv\\": "tests"
+        }
+    },
+    "scripts": {
+        "phpcs": "php-cs-fixer fix -vvv --diff --dry-run --allow-risky=yes --ansi",
+        "phpcs:fix": "php-cs-fixer fix -vvv --allow-risky=yes --ansi",
+        "phpstan": "phpstan analyse -l max -c phpstan.neon src --ansi --memory-limit=192M",
+        "phpunit": "phpunit --coverage-text",
+        "test": [
+            "@phpunit",
+            "@phpstan",
+            "@phpcs"
+        ]
+    },
+    "scripts-descriptions": {
+        "phpcs": "Runs coding style test suite",
+        "phpstan": "Runs complete codebase static analysis",
+        "phpunit": "Runs unit and functional testing",
+        "test": "Runs full test suite"
+    },
+    "suggest": {
+        "ext-iconv" : "Needed to ease transcoding CSV using iconv stream filters",
+        "ext-dom" : "Required to use the XMLConverter and or the HTMLConverter classes"
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "9.x-dev"
+        }
+    },
+    "config": {
+        "sort-packages": true
+    }
+}

pancake/system/vendor/league/csv/src/AbstractCsv.php

@@ -0,0 +1,492 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+use Generator;
+use SplFileObject;
+use function filter_var;
+use function get_class;
+use function mb_strlen;
+use function rawurlencode;
+use function sprintf;
+use function str_replace;
+use function str_split;
+use function strcspn;
+use function strlen;
+use const FILTER_FLAG_STRIP_HIGH;
+use const FILTER_FLAG_STRIP_LOW;
+use const FILTER_UNSAFE_RAW;
+
+/**
+ * An abstract class to enable CSV document loading.
+ */
+abstract class AbstractCsv implements ByteSequence
+{
+    protected const STREAM_FILTER_MODE = STREAM_FILTER_READ;
+
+    /** @var SplFileObject|Stream The CSV document. */
+    protected $document;
+    /** @var array<string, bool> collection of stream filters. */
+    protected array $stream_filters = [];
+    protected ?string $input_bom = null;
+    protected string $output_bom = '';
+    protected string $delimiter = ',';
+    protected string $enclosure = '"';
+    protected string $escape = '\\';
+    protected bool $is_input_bom_included = false;
+
+    /**
+     * @final This method should not be overwritten in child classes
+     *
+     * @param SplFileObject|Stream $document The CSV Object instance
+     */
+    protected function __construct($document)
+    {
+        $this->document = $document;
+        [$this->delimiter, $this->enclosure, $this->escape] = $this->document->getCsvControl();
+        $this->resetProperties();
+    }
+
+    /**
+     * Reset dynamic object properties to improve performance.
+     */
+    abstract protected function resetProperties(): void;
+
+    public function __destruct()
+    {
+        unset($this->document);
+    }
+
+    public function __clone()
+    {
+        throw UnavailableStream::dueToForbiddenCloning(static::class);
+    }
+
+    /**
+     * Return a new instance from a SplFileObject.
+     *
+     * @return static
+     */
+    public static function createFromFileObject(SplFileObject $file)
+    {
+        return new static($file);
+    }
+
+    /**
+     * Return a new instance from a PHP resource stream.
+     *
+     * @param resource $stream
+     *
+     * @return static
+     */
+    public static function createFromStream($stream)
+    {
+        return new static(new Stream($stream));
+    }
+
+    /**
+     * Return a new instance from a string.
+     *
+     * @return static
+     */
+    public static function createFromString(string $content = '')
+    {
+        return new static(Stream::createFromString($content));
+    }
+
+    /**
+     * Return a new instance from a file path.
+     *
+     * @param resource|null $context the resource context
+     *
+     * @return static
+     */
+    public static function createFromPath(string $path, string $open_mode = 'r+', $context = null)
+    {
+        return new static(Stream::createFromPath($path, $open_mode, $context));
+    }
+
+    /**
+     * Returns the current field delimiter.
+     */
+    public function getDelimiter(): string
+    {
+        return $this->delimiter;
+    }
+
+    /**
+     * Returns the current field enclosure.
+     */
+    public function getEnclosure(): string
+    {
+        return $this->enclosure;
+    }
+
+    /**
+     * Returns the pathname of the underlying document.
+     */
+    public function getPathname(): string
+    {
+        return $this->document->getPathname();
+    }
+
+    /**
+     * Returns the current field escape character.
+     */
+    public function getEscape(): string
+    {
+        return $this->escape;
+    }
+
+    /**
+     * Returns the BOM sequence in use on Output methods.
+     */
+    public function getOutputBOM(): string
+    {
+        return $this->output_bom;
+    }
+
+    /**
+     * Returns the BOM sequence of the given CSV.
+     */
+    public function getInputBOM(): string
+    {
+        if (null !== $this->input_bom) {
+            return $this->input_bom;
+        }
+
+        $this->document->setFlags(SplFileObject::READ_CSV);
+        $this->document->rewind();
+        $this->input_bom = Info::fetchBOMSequence((string) $this->document->fread(4)) ?? '';
+
+        return $this->input_bom;
+    }
+
+    /**
+     * DEPRECATION WARNING! This method will be removed in the next major point release.
+     *
+     * @deprecated since version 9.7.0
+     * @see AbstractCsv::supportsStreamFilterOnRead
+     * @see AbstractCsv::supportsStreamFilterOnWrite
+     *
+     * Returns the stream filter mode.
+     */
+    public function getStreamFilterMode(): int
+    {
+        return static::STREAM_FILTER_MODE;
+    }
+
+    /**
+     * DEPRECATION WARNING! This method will be removed in the next major point release.
+     *
+     * @deprecated since version 9.7.0
+     * @see AbstractCsv::supportsStreamFilterOnRead
+     * @see AbstractCsv::supportsStreamFilterOnWrite
+     *
+     * Tells whether the stream filter capabilities can be used.
+     */
+    public function supportsStreamFilter(): bool
+    {
+        return $this->document instanceof Stream;
+    }
+
+    /**
+     * Tells whether the stream filter read capabilities can be used.
+     */
+    public function supportsStreamFilterOnRead(): bool
+    {
+        return $this->document instanceof Stream
+            && (static::STREAM_FILTER_MODE & STREAM_FILTER_READ) === STREAM_FILTER_READ;
+    }
+
+    /**
+     * Tells whether the stream filter write capabilities can be used.
+     */
+    public function supportsStreamFilterOnWrite(): bool
+    {
+        return $this->document instanceof Stream
+            && (static::STREAM_FILTER_MODE & STREAM_FILTER_WRITE) === STREAM_FILTER_WRITE;
+    }
+
+    /**
+     * Tell whether the specify stream filter is attach to the current stream.
+     */
+    public function hasStreamFilter(string $filtername): bool
+    {
+        return $this->stream_filters[$filtername] ?? false;
+    }
+
+    /**
+     * Tells whether the BOM can be stripped if presents.
+     */
+    public function isInputBOMIncluded(): bool
+    {
+        return $this->is_input_bom_included;
+    }
+
+    /**
+     * Returns the CSV document as a Generator of string chunk.
+     *
+     * @param int $length number of bytes read
+     *
+     * @throws Exception if the number of bytes is lesser than 1
+     */
+    public function chunk(int $length): Generator
+    {
+        if ($length < 1) {
+            throw InvalidArgument::dueToInvalidChunkSize($length, __METHOD__);
+        }
+
+        $input_bom = $this->getInputBOM();
+        $this->document->rewind();
+        $this->document->setFlags(0);
+        $this->document->fseek(strlen($input_bom));
+        /** @var  array<int, string> $chunks */
+        $chunks = str_split($this->output_bom.$this->document->fread($length), $length);
+        foreach ($chunks as $chunk) {
+            yield $chunk;
+        }
+
+        while ($this->document->valid()) {
+            yield $this->document->fread($length);
+        }
+    }
+
+    /**
+     * DEPRECATION WARNING! This method will be removed in the next major point release.
+     *
+     * @deprecated since version 9.1.0
+     * @see AbstractCsv::toString
+     *
+     * Retrieves the CSV content
+     */
+    public function __toString(): string
+    {
+        return $this->toString();
+    }
+
+    /**
+     * Retrieves the CSV content.
+     *
+     * DEPRECATION WARNING! This method will be removed in the next major point release
+     *
+     * @deprecated since version 9.7.0
+     * @see AbstractCsv::toString
+     */
+    public function getContent(): string
+    {
+        return $this->toString();
+    }
+
+    /**
+     * Retrieves the CSV content.
+     *
+     * @throws Exception If the string representation can not be returned
+     */
+    public function toString(): string
+    {
+        $raw = '';
+        foreach ($this->chunk(8192) as $chunk) {
+            $raw .= $chunk;
+        }
+
+        return $raw;
+    }
+
+    /**
+     * Outputs all data on the CSV file.
+     *
+     * @return int Returns the number of characters read from the handle
+     *             and passed through to the output.
+     */
+    public function output(string $filename = null): int
+    {
+        if (null !== $filename) {
+            $this->sendHeaders($filename);
+        }
+
+        $this->document->rewind();
+        if (!$this->is_input_bom_included) {
+            $this->document->fseek(strlen($this->getInputBOM()));
+        }
+
+        echo $this->output_bom;
+
+        return strlen($this->output_bom) + (int) $this->document->fpassthru();
+    }
+
+    /**
+     * Send the CSV headers.
+     *
+     * Adapted from Symfony\Component\HttpFoundation\ResponseHeaderBag::makeDisposition
+     *
+     * @throws Exception if the submitted header is invalid according to RFC 6266
+     *
+     * @see https://tools.ietf.org/html/rfc6266#section-4.3
+     */
+    protected function sendHeaders(string $filename): void
+    {
+        if (strlen($filename) != strcspn($filename, '\\/')) {
+            throw InvalidArgument::dueToInvalidHeaderFilename($filename);
+        }
+
+        $flag = FILTER_FLAG_STRIP_LOW;
+        if (strlen($filename) !== mb_strlen($filename)) {
+            $flag |= FILTER_FLAG_STRIP_HIGH;
+        }
+
+        /** @var string $filtered_name */
+        $filtered_name = filter_var($filename, FILTER_UNSAFE_RAW, $flag);
+        $filename_fallback = str_replace('%', '', $filtered_name);
+
+        $disposition = sprintf('attachment; filename="%s"', str_replace('"', '\\"', $filename_fallback));
+        if ($filename !== $filename_fallback) {
+            $disposition .= sprintf("; filename*=utf-8''%s", rawurlencode($filename));
+        }
+
+        header('Content-Type: text/csv');
+        header('Content-Transfer-Encoding: binary');
+        header('Content-Description: File Transfer');
+        header('Content-Disposition: '.$disposition);
+    }
+
+    /**
+     * Sets the field delimiter.
+     *
+     * @throws InvalidArgument If the Csv control character is not one character only.
+     *
+     * @return static
+     */
+    public function setDelimiter(string $delimiter): self
+    {
+        if ($delimiter === $this->delimiter) {
+            return $this;
+        }
+
+        if (1 !== strlen($delimiter)) {
+            throw InvalidArgument::dueToInvalidDelimiterCharacter($delimiter, __METHOD__);
+        }
+
+        $this->delimiter = $delimiter;
+        $this->resetProperties();
+
+        return $this;
+    }
+
+    /**
+     * Sets the field enclosure.
+     *
+     * @throws InvalidArgument If the Csv control character is not one character only.
+     *
+     * @return static
+     */
+    public function setEnclosure(string $enclosure): self
+    {
+        if ($enclosure === $this->enclosure) {
+            return $this;
+        }
+
+        if (1 !== strlen($enclosure)) {
+            throw InvalidArgument::dueToInvalidEnclosureCharacter($enclosure, __METHOD__);
+        }
+
+        $this->enclosure = $enclosure;
+        $this->resetProperties();
+
+        return $this;
+    }
+
+    /**
+     * Sets the field escape character.
+     *
+     * @throws InvalidArgument If the Csv control character is not one character only.
+     *
+     * @return static
+     */
+    public function setEscape(string $escape): self
+    {
+        if ($escape === $this->escape) {
+            return $this;
+        }
+
+        if ('' !== $escape && 1 !== strlen($escape)) {
+            throw InvalidArgument::dueToInvalidEscapeCharacter($escape, __METHOD__);
+        }
+
+        $this->escape = $escape;
+        $this->resetProperties();
+
+        return $this;
+    }
+
+    /**
+     * Enables BOM Stripping.
+     *
+     * @return static
+     */
+    public function skipInputBOM(): self
+    {
+        $this->is_input_bom_included = false;
+
+        return $this;
+    }
+
+    /**
+     * Disables skipping Input BOM.
+     *
+     * @return static
+     */
+    public function includeInputBOM(): self
+    {
+        $this->is_input_bom_included = true;
+
+        return $this;
+    }
+
+    /**
+     * Sets the BOM sequence to prepend the CSV on output.
+     *
+     * @return static
+     */
+    public function setOutputBOM(string $str): self
+    {
+        $this->output_bom = $str;
+
+        return $this;
+    }
+
+    /**
+     * append a stream filter.
+     *
+     * @param null|array $params
+     *
+     * @throws InvalidArgument    If the stream filter API can not be appended
+     * @throws UnavailableFeature If the stream filter API can not be used
+     *
+     * @return static
+     */
+    public function addStreamFilter(string $filtername, $params = null): self
+    {
+        if (!$this->document instanceof Stream) {
+            throw UnavailableFeature::dueToUnsupportedStreamFilterApi(get_class($this->document));
+        }
+
+        $this->document->appendFilter($filtername, static::STREAM_FILTER_MODE, $params);
+        $this->stream_filters[$filtername] = true;
+        $this->resetProperties();
+        $this->input_bom = null;
+
+        return $this;
+    }
+}

pancake/system/vendor/league/csv/src/ByteSequence.php

@@ -0,0 +1,24 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\Csv;
+
+/**
+ * Defines constants for common BOM sequences.
+ */
+interface ByteSequence
+{
+    const BOM_UTF8 = "\xEF\xBB\xBF";
+    const BOM_UTF16_BE = "\xFE\xFF";
+    const BOM_UTF16_LE = "\xFF\xFE";
+    const BOM_UTF32_BE = "\x00\x00\xFE\xFF";
+    const BOM_UTF32_LE = "\xFF\xFE\x00\x00";
+}

pancake/system/vendor/league/csv/src/CannotInsertRecord.php

@@ -0,0 +1,66 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+/**
+ * Thrown when a data is not added to the Csv Document.
+ */
+class CannotInsertRecord extends Exception
+{
+    /** The record submitted for insertion. */
+    protected array $record;
+    /** Validator which did not validated the data. */
+    protected string $name = '';
+
+    /**
+     * Create an Exception from a record insertion into a stream.
+     */
+    public static function triggerOnInsertion(array $record): self
+    {
+        $exception = new self('Unable to write record to the CSV document');
+        $exception->record = $record;
+
+        return $exception;
+    }
+
+    /**
+     * Create an Exception from a Record Validation.
+     */
+    public static function triggerOnValidation(string $name, array $record): self
+    {
+        $exception = new self('Record validation failed');
+        $exception->name = $name;
+        $exception->record = $record;
+
+        return $exception;
+    }
+
+    /**
+     * return the validator name.
+     *
+     */
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
+    /**
+     * return the invalid data submitted.
+     *
+     */
+    public function getRecord(): array
+    {
+        return $this->record;
+    }
+}

pancake/system/vendor/league/csv/src/CharsetConverter.php

@@ -0,0 +1,220 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+use OutOfRangeException;
+use php_user_filter;
+use Traversable;
+use function array_combine;
+use function array_map;
+use function in_array;
+use function is_numeric;
+use function mb_convert_encoding;
+use function mb_list_encodings;
+use function preg_match;
+use function sprintf;
+use function stream_bucket_append;
+use function stream_bucket_make_writeable;
+use function stream_filter_register;
+use function stream_get_filters;
+use function strpos;
+use function strtolower;
+use function substr;
+
+/**
+ * Converts resource stream or tabular data content charset.
+ */
+class CharsetConverter extends php_user_filter
+{
+    const FILTERNAME = 'convert.league.csv';
+
+    protected string $input_encoding = 'UTF-8';
+    protected string $output_encoding = 'UTF-8';
+
+    /**
+     * Static method to add the stream filter to a {@link AbstractCsv} object.
+     */
+    public static function addTo(AbstractCsv $csv, string $input_encoding, string $output_encoding): AbstractCsv
+    {
+        self::register();
+
+        return $csv->addStreamFilter(self::getFiltername($input_encoding, $output_encoding));
+    }
+
+    /**
+     * Static method to register the class as a stream filter.
+     */
+    public static function register(): void
+    {
+        $filter_name = self::FILTERNAME.'.*';
+        if (!in_array($filter_name, stream_get_filters(), true)) {
+            stream_filter_register($filter_name, self::class);
+        }
+    }
+
+    /**
+     * Static method to return the stream filter filtername.
+     */
+    public static function getFiltername(string $input_encoding, string $output_encoding): string
+    {
+        return sprintf(
+            '%s.%s/%s',
+            self::FILTERNAME,
+            self::filterEncoding($input_encoding),
+            self::filterEncoding($output_encoding)
+        );
+    }
+
+    /**
+     * Filter encoding charset.
+     *
+     * @throws OutOfRangeException if the charset is malformed or unsupported
+     */
+    protected static function filterEncoding(string $encoding): string
+    {
+        static $encoding_list;
+        if (null === $encoding_list) {
+            $list = mb_list_encodings();
+            $encoding_list = array_combine(array_map('strtolower', $list), $list);
+        }
+
+        $key = strtolower($encoding);
+        if (isset($encoding_list[$key])) {
+            return $encoding_list[$key];
+        }
+
+        throw new OutOfRangeException('The submitted charset '.$encoding.' is not supported by the mbstring extension.');
+    }
+
+    public function onCreate(): bool
+    {
+        $prefix = self::FILTERNAME.'.';
+        if (0 !== strpos($this->filtername, $prefix)) {
+            return false;
+        }
+
+        $encodings = substr($this->filtername, strlen($prefix));
+        if (1 !== preg_match(',^(?<input>[-\w]+)\/(?<output>[-\w]+)$,', $encodings, $matches)) {
+            return false;
+        }
+
+        try {
+            $this->input_encoding = self::filterEncoding($matches['input']);
+            $this->output_encoding = self::filterEncoding($matches['output']);
+        } catch (OutOfRangeException $e) {
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * @param resource $in
+     * @param resource $out
+     * @param int      $consumed
+     * @param bool     $closing
+     */
+    public function filter($in, $out, &$consumed, $closing): int
+    {
+        while (null !== ($bucket = stream_bucket_make_writeable($in))) {
+            $bucket->data = @mb_convert_encoding($bucket->data, $this->output_encoding, $this->input_encoding);
+            $consumed += $bucket->datalen;
+            stream_bucket_append($out, $bucket);
+        }
+
+        return PSFS_PASS_ON;
+    }
+
+    /**
+     * Convert Csv records collection into UTF-8.
+     */
+    public function convert(iterable $records): iterable
+    {
+        if ($this->output_encoding === $this->input_encoding) {
+            return $records;
+        }
+
+        if (is_array($records)) {
+            return array_map($this, $records);
+        }
+
+        /* @var Traversable $records */
+        return new MapIterator($records, $this);
+    }
+
+    /**
+     * Enable using the class as a formatter for the {@link Writer}.
+     */
+    public function __invoke(array $record): array
+    {
+        $outputRecord = [];
+        foreach ($record as $offset => $value) {
+            [$newOffset, $newValue] = $this->encodeField($value, $offset);
+            $outputRecord[$newOffset] = $newValue;
+        }
+
+        return $outputRecord;
+    }
+
+    /**
+     * Walker method to convert the offset and the value of a CSV record field.
+     *
+     * @param int|float|string|null $value  can be a scalar type or null
+     * @param int|string            $offset can be a string or an int
+     */
+    protected function encodeField($value, $offset): array
+    {
+        if (null !== $value && !is_numeric($value)) {
+            $value = mb_convert_encoding($value, $this->output_encoding, $this->input_encoding);
+        }
+
+        if (!is_numeric($offset)) {
+            $offset = mb_convert_encoding($offset, $this->output_encoding, $this->input_encoding);
+        }
+
+        return [$offset, $value];
+    }
+
+    /**
+     * Sets the records input encoding charset.
+     */
+    public function inputEncoding(string $encoding): self
+    {
+        $encoding = self::filterEncoding($encoding);
+        if ($encoding === $this->input_encoding) {
+            return $this;
+        }
+
+        $clone = clone $this;
+        $clone->input_encoding = $encoding;
+
+        return $clone;
+    }
+
+    /**
+     * Sets the records output encoding charset.
+     */
+    public function outputEncoding(string $encoding): self
+    {
+        $encoding = self::filterEncoding($encoding);
+        if ($encoding === $this->output_encoding) {
+            return $this;
+        }
+
+        $clone = clone $this;
+        $clone->output_encoding = $encoding;
+
+        return $clone;
+    }
+}

pancake/system/vendor/league/csv/src/ColumnConsistency.php

@@ -0,0 +1,59 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+use function count;
+
+/**
+ * Validates column consistency when inserting records into a CSV document.
+ */
+class ColumnConsistency
+{
+    protected int $columns_count;
+
+    /**
+     * @throws InvalidArgument if the column count is lesser than -1
+     */
+    public function __construct(int $columns_count = -1)
+    {
+        if ($columns_count < -1) {
+            throw InvalidArgument::dueToInvalidColumnCount($columns_count, __METHOD__);
+        }
+
+        $this->columns_count = $columns_count;
+    }
+
+    /**
+     * Returns the column count.
+     */
+    public function getColumnCount(): int
+    {
+        return $this->columns_count;
+    }
+
+    /**
+     * Tell whether the submitted record is valid.
+     */
+    public function __invoke(array $record): bool
+    {
+        $count = count($record);
+        if (-1 === $this->columns_count) {
+            $this->columns_count = $count;
+
+            return true;
+        }
+
+        return $count === $this->columns_count;
+    }
+}

pancake/system/vendor/league/csv/src/EncloseField.php

@@ -0,0 +1,112 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+use InvalidArgumentException;
+use php_user_filter;
+use function array_map;
+use function in_array;
+use function str_replace;
+use function strcspn;
+use function stream_bucket_append;
+use function stream_bucket_make_writeable;
+use function stream_filter_register;
+use function stream_get_filters;
+use function strlen;
+
+/**
+ * A stream filter to improve enclosure character usage.
+ *
+ * @see https://tools.ietf.org/html/rfc4180#section-2
+ * @see https://bugs.php.net/bug.php?id=38301
+ */
+class EncloseField extends php_user_filter
+{
+    const FILTERNAME = 'convert.league.csv.enclosure';
+
+    /** Default sequence. */
+    protected string $sequence;
+    /** Characters that triggers enclosure in PHP. */
+    protected static string $force_enclosure = "\n\r\t ";
+
+    /**
+     * Static method to return the stream filter filtername.
+     */
+    public static function getFiltername(): string
+    {
+        return self::FILTERNAME;
+    }
+
+    /**
+     * Static method to register the class as a stream filter.
+     */
+    public static function register(): void
+    {
+        if (!in_array(self::FILTERNAME, stream_get_filters(), true)) {
+            stream_filter_register(self::FILTERNAME, self::class);
+        }
+    }
+
+    /**
+     * Static method to add the stream filter to a {@link Writer} object.
+     *
+     * @throws InvalidArgumentException if the sequence is malformed
+     * @throws Exception
+     */
+    public static function addTo(Writer $csv, string $sequence): Writer
+    {
+        self::register();
+
+        if (!self::isValidSequence($sequence)) {
+            throw new InvalidArgumentException('The sequence must contain at least one character to force enclosure');
+        }
+
+        return $csv
+            ->addFormatter(fn (array $record): array => array_map(fn (?string $value): string => $sequence.$value, $record))
+            ->addStreamFilter(self::FILTERNAME, ['sequence' => $sequence]);
+    }
+
+    /**
+     * Filter type and sequence parameters.
+     *
+     * The sequence to force enclosure MUST contains one of the following character ("\n\r\t ")
+     */
+    protected static function isValidSequence(string $sequence): bool
+    {
+        return strlen($sequence) != strcspn($sequence, self::$force_enclosure);
+    }
+
+    public function onCreate(): bool
+    {
+        return isset($this->params['sequence'])
+            && self::isValidSequence($this->params['sequence']);
+    }
+
+    /**
+     * @param resource $in
+     * @param resource $out
+     * @param int      $consumed
+     * @param bool     $closing
+     */
+    public function filter($in, $out, &$consumed, $closing): int
+    {
+        while (null !== ($bucket = stream_bucket_make_writeable($in))) {
+            $bucket->data = str_replace($this->params['sequence'], '', $bucket->data);
+            $consumed += $bucket->datalen;
+            stream_bucket_append($out, $bucket);
+        }
+
+        return PSFS_PASS_ON;
+    }
+}

pancake/system/vendor/league/csv/src/EscapeFormula.php

@@ -0,0 +1,146 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+use InvalidArgumentException;
+use function array_fill_keys;
+use function array_keys;
+use function array_map;
+use function array_merge;
+use function array_unique;
+use function is_object;
+use function is_string;
+use function method_exists;
+
+/**
+ * A Formatter to tackle CSV Formula Injection.
+ *
+ * @see http://georgemauer.net/2017/10/07/csv-injection.html
+ */
+class EscapeFormula
+{
+    /** Spreadsheet formula starting character. */
+    const FORMULA_STARTING_CHARS = ['=', '-', '+', '@', "\t", "\r"];
+
+    /** Effective Spreadsheet formula starting characters. */
+    protected array $special_chars = [];
+    /** Escape character to escape each CSV formula field. */
+    protected string $escape;
+
+    /**
+     * @param string   $escape        escape character to escape each CSV formula field
+     * @param string[] $special_chars additional spreadsheet formula starting characters
+     */
+    public function __construct(string $escape = "'", array $special_chars = [])
+    {
+        $this->escape = $escape;
+        if ([] !== $special_chars) {
+            $special_chars = $this->filterSpecialCharacters(...$special_chars);
+        }
+
+        $chars = array_unique(array_merge(self::FORMULA_STARTING_CHARS, $special_chars));
+        $this->special_chars = array_fill_keys($chars, 1);
+    }
+
+    /**
+     * Filter submitted special characters.
+     *
+     * @param string ...$characters
+     *
+     * @throws InvalidArgumentException if the string is not a single character
+     *
+     * @return array<string>
+     */
+    protected function filterSpecialCharacters(string ...$characters): array
+    {
+        foreach ($characters as $str) {
+            if (1 != strlen($str)) {
+                throw new InvalidArgumentException('The submitted string '.$str.' must be a single character');
+            }
+        }
+
+        return $characters;
+    }
+
+    /**
+     * Returns the list of character the instance will escape.
+     *
+     * @return array<string>
+     */
+    public function getSpecialCharacters(): array
+    {
+        return array_keys($this->special_chars);
+    }
+
+    /**
+     * Returns the escape character.
+     */
+    public function getEscape(): string
+    {
+        return $this->escape;
+    }
+
+    /**
+     * League CSV formatter hook.
+     *
+     * @see escapeRecord
+     */
+    public function __invoke(array $record): array
+    {
+        return $this->escapeRecord($record);
+    }
+
+    /**
+     * Escape a CSV record.
+     */
+    public function escapeRecord(array $record): array
+    {
+        return array_map([$this, 'escapeField'], $record);
+    }
+
+    /**
+     * Escape a CSV cell if its content is stringable.
+     *
+     * @param int|float|string|object|resource|array $cell the content of the cell
+     *
+     * @return mixed the escaped content
+     */
+    protected function escapeField($cell)
+    {
+        if (!is_string($cell) && (!is_object($cell) || !method_exists($cell, '__toString'))) {
+            return $cell;
+        }
+
+        $str_cell = (string) $cell;
+        if (isset($str_cell[0], $this->special_chars[$str_cell[0]])) {
+            return $this->escape.$str_cell;
+        }
+
+        return $cell;
+    }
+
+    /**
+     * @deprecated since 9.7.2 will be removed in the next major release
+     * @codeCoverageIgnore
+     *
+     * Tells whether the submitted value is stringable.
+     *
+     * @param mixed $value value to check if it is stringable
+     */
+    protected function isStringable($value): bool
+    {
+        return is_string($value)
+            || (is_object($value) && method_exists($value, '__toString'));
+    }
+}

pancake/system/vendor/league/csv/src/Exception.php

@@ -0,0 +1,23 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+use Exception as PhpException;
+
+/**
+ * League Csv Base Exception.
+ */
+class Exception extends PhpException implements UnableToProcessCsv
+{
+}

pancake/system/vendor/league/csv/src/HTMLConverter.php

@@ -0,0 +1,161 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+use DOMDocument;
+use DOMElement;
+use DOMException;
+use function preg_match;
+
+/**
+ * Converts tabular data into an HTML Table string.
+ */
+class HTMLConverter
+{
+    /** table class attribute value. */
+    protected string $class_name = 'table-csv-data';
+    /** table id attribute value. */
+    protected string $id_value = '';
+    protected XMLConverter $xml_converter;
+
+    public static function create(): self
+    {
+        return new self();
+    }
+
+    /**
+     * DEPRECATION WARNING! This method will be removed in the next major point release.
+     *
+     * @deprecated since version 9.7.0
+     * @see HTMLConverterTest::create()
+     */
+    public function __construct()
+    {
+        $this->xml_converter = XMLConverter::create()
+            ->rootElement('table')
+            ->recordElement('tr')
+            ->fieldElement('td')
+        ;
+    }
+
+    /**
+     * Converts a tabular data collection into a HTML table string.
+     *
+     * @param string[] $header_record An optional array of headers outputted using the`<thead>` section
+     * @param string[] $footer_record An optional array of footers to output to the table using `<tfoot>` and `<th>` elements
+     */
+    public function convert(iterable $records, array $header_record = [], array $footer_record = []): string
+    {
+        $doc = new DOMDocument('1.0');
+        if ([] === $header_record && [] === $footer_record) {
+            $table = $this->xml_converter->import($records, $doc);
+            $this->addHTMLAttributes($table);
+            $doc->appendChild($table);
+
+            /** @var string $content */
+            $content = $doc->saveHTML();
+
+            return $content;
+        }
+
+        $table = $doc->createElement('table');
+
+        $this->addHTMLAttributes($table);
+        $this->appendHeaderSection('thead', $header_record, $table);
+        $this->appendHeaderSection('tfoot', $footer_record, $table);
+
+        $table->appendChild($this->xml_converter->rootElement('tbody')->import($records, $doc));
+
+        $doc->appendChild($table);
+
+        /** @var string $content */
+        $content = $doc->saveHTML();
+
+        return $content;
+    }
+
+    /**
+     * Creates a DOMElement representing a HTML table heading section.
+     */
+    protected function appendHeaderSection(string $node_name, array $record, DOMElement $table): void
+    {
+        if ([] === $record) {
+            return;
+        }
+
+        /** @var DOMDocument $ownerDocument */
+        $ownerDocument = $table->ownerDocument;
+        $node = $this->xml_converter
+            ->rootElement($node_name)
+            ->recordElement('tr')
+            ->fieldElement('th')
+            ->import([$record], $ownerDocument)
+        ;
+
+        /** @var DOMElement $element */
+        foreach ($node->getElementsByTagName('th') as $element) {
+            $element->setAttribute('scope', 'col');
+        }
+
+        $table->appendChild($node);
+    }
+
+    /**
+     * Adds class and id attributes to an HTML tag.
+     */
+    protected function addHTMLAttributes(DOMElement $node): void
+    {
+        $node->setAttribute('class', $this->class_name);
+        $node->setAttribute('id', $this->id_value);
+    }
+
+    /**
+     * HTML table class name setter.
+     *
+     * @throws DOMException if the id_value contains any type of whitespace
+     */
+    public function table(string $class_name, string $id_value = ''): self
+    {
+        if (1 === preg_match(",\s,", $id_value)) {
+            throw new DOMException("the id attribute's value must not contain whitespace (spaces, tabs etc.)");
+        }
+        $clone = clone $this;
+        $clone->class_name = $class_name;
+        $clone->id_value = $id_value;
+
+        return $clone;
+    }
+
+    /**
+     * HTML tr record offset attribute setter.
+     */
+    public function tr(string $record_offset_attribute_name): self
+    {
+        $clone = clone $this;
+        $clone->xml_converter = $this->xml_converter->recordElement('tr', $record_offset_attribute_name);
+
+        return $clone;
+    }
+
+    /**
+     * HTML td field name attribute setter.
+     */
+    public function td(string $fieldname_attribute_name): self
+    {
+        $clone = clone $this;
+        $clone->xml_converter = $this->xml_converter->fieldElement('td', $fieldname_attribute_name);
+
+        return $clone;
+    }
+}

pancake/system/vendor/league/csv/src/Info.php

@@ -0,0 +1,99 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+use function array_fill_keys;
+use function array_filter;
+use function array_reduce;
+use function array_unique;
+use function count;
+use function iterator_to_array;
+use function strlen;
+use function strpos;
+use const COUNT_RECURSIVE;
+
+final class Info implements ByteSequence
+{
+    private const BOM_SEQUENCE_LIST = [
+        self::BOM_UTF32_BE,
+        self::BOM_UTF32_LE,
+        self::BOM_UTF16_BE,
+        self::BOM_UTF16_LE,
+        self::BOM_UTF8,
+    ];
+
+    /**
+     * Returns the BOM sequence found at the start of the string.
+     *
+     * If no valid BOM sequence is found an empty string is returned
+     */
+    public static function fetchBOMSequence(string $str): ?string
+    {
+        foreach (self::BOM_SEQUENCE_LIST as $sequence) {
+            if (0 === strpos($str, $sequence)) {
+                return $sequence;
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * Detect Delimiters usage in a {@link Reader} object.
+     *
+     * Returns a associative array where each key represents
+     * a submitted delimiter and each value the number CSV fields found
+     * when processing at most $limit CSV records with the given delimiter
+     *
+     * @param string[] $delimiters
+     *
+     * @return array<string, int>
+     */
+    public static function getDelimiterStats(Reader $csv, array $delimiters, int $limit = 1): array
+    {
+        $delimiterFilter = static fn (string $value): bool => 1 === strlen($value);
+
+        $recordFilter = static fn (array $record): bool => 1 < count($record);
+
+        $stmt = Statement::create()->offset(0)->limit($limit);
+
+        $delimiterStats = static function (array $stats, string $delimiter) use ($csv, $stmt, $recordFilter): array {
+            $csv->setDelimiter($delimiter);
+            $foundRecords = array_filter(
+                iterator_to_array($stmt->process($csv)->getRecords(), false),
+                $recordFilter
+            );
+
+            $stats[$delimiter] = count($foundRecords, COUNT_RECURSIVE);
+
+            return $stats;
+        };
+
+        $currentDelimiter = $csv->getDelimiter();
+        $currentHeaderOffset = $csv->getHeaderOffset();
+
+        $csv->setHeaderOffset(null);
+
+        $stats = array_reduce(
+            array_unique(array_filter($delimiters, $delimiterFilter)),
+            $delimiterStats,
+            array_fill_keys($delimiters, 0)
+        );
+
+        $csv->setHeaderOffset($currentHeaderOffset);
+        $csv->setDelimiter($currentDelimiter);
+
+        return $stats;
+    }
+}

pancake/system/vendor/league/csv/src/InvalidArgument.php

@@ -0,0 +1,100 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+use Throwable;
+
+/**
+ * InvalidArgument Exception.
+ */
+class InvalidArgument extends Exception
+{
+    /**
+     * DEPRECATION WARNING! This class will be removed in the next major point release.
+     *
+     * @deprecated since version 9.7.0
+     */
+    public function __construct(string $message = '', int $code = 0, Throwable $previous = null)
+    {
+        parent::__construct($message, $code, $previous);
+    }
+
+    public static function dueToInvalidChunkSize(int $length, string $method): self
+    {
+        return new self($method.'() expects the length to be a positive integer '.$length.' given.');
+    }
+
+    public static function dueToInvalidHeaderFilename(string $filename): self
+    {
+        return new self('The filename `'.$filename.'` cannot contain the "/" and "\\" characters.');
+    }
+
+    public static function dueToInvalidDelimiterCharacter(string $delimiter, string $method): self
+    {
+        return new self($method.'() expects delimiter to be a single character; `'.$delimiter.'` given.');
+    }
+
+    public static function dueToInvalidEnclosureCharacter(string $enclosure, string $method): self
+    {
+        return new self($method.'() expects enclosure to be a single character; `'.$enclosure.'` given.');
+    }
+
+    public static function dueToInvalidEscapeCharacter(string $escape, string $method): self
+    {
+        return new self($method.'() expects escape to be a single character  or the empty string; `'.$escape.'` given.');
+    }
+
+    public static function dueToInvalidColumnCount(int $columns_count, string $method): self
+    {
+        return new self($method.'() expects the column count to be greater or equal to -1 '.$columns_count.' given.');
+    }
+
+    public static function dueToInvalidHeaderOffset(int $offset, string $method): self
+    {
+        return new self($method.'() expects header offset to be greater or equal to 0; `'.$offset.'` given.');
+    }
+
+    public static function dueToInvalidRecordOffset(int $offset, string $method): self
+    {
+        return new self($method.'() expects the submitted offset to be a positive integer or 0, '.$offset.' given');
+    }
+
+    /**
+     * @param string|int $index
+     */
+    public static function dueToInvalidColumnIndex($index, string $type, string $method): self
+    {
+        return new self($method.'() expects the '.$type.' index to be a valid string or integer, `'.$index.'` given');
+    }
+
+    public static function dueToInvalidLimit(int $limit, string $method): self
+    {
+        return new self($method.'() expects the limit to be greater or equal to -1, '.$limit.' given.');
+    }
+
+    public static function dueToInvalidSeekingPosition(int $position, string $method): self
+    {
+        return new self($method.'() can\'t seek stream to negative line '.$position);
+    }
+
+    public static function dueToStreamFilterNotFound(string $filtername): self
+    {
+        return new self('unable to locate filter `'.$filtername.'`');
+    }
+
+    public static function dueToInvalidThreshold(int $threshold, string $method): self
+    {
+        return new self($method.'() expects threshold to be null or a valid integer greater or equal to 1');
+    }
+}

pancake/system/vendor/league/csv/src/MapIterator.php

@@ -0,0 +1,44 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+use IteratorIterator;
+use ReturnTypeWillChange;
+use Traversable;
+
+/**
+ * Map value from an iterator before yielding.
+ *
+ * @internal used internally to modify CSV content
+ */
+final class MapIterator extends IteratorIterator
+{
+    /** @var callable The callback to apply on all InnerIterator current value. */
+    private $callable;
+
+    public function __construct(Traversable $iterator, callable $callable)
+    {
+        parent::__construct($iterator);
+        $this->callable = $callable;
+    }
+
+    /**
+     * @return mixed The value of the current element.
+     */
+    #[ReturnTypeWillChange]
+    public function current()
+    {
+        return ($this->callable)(parent::current(), parent::key());
+    }
+}

pancake/system/vendor/league/csv/src/RFC4180Field.php

@@ -0,0 +1,182 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+use InvalidArgumentException;
+use php_user_filter;
+use function array_map;
+use function in_array;
+use function is_string;
+use function str_replace;
+use function strcspn;
+use function stream_bucket_append;
+use function stream_bucket_make_writeable;
+use function stream_filter_register;
+use function stream_get_filters;
+use function strlen;
+use const STREAM_FILTER_READ;
+use const STREAM_FILTER_WRITE;
+
+/**
+ * A stream filter to conform the CSV field to RFC4180.
+ *
+ * DEPRECATION WARNING! This class will be removed in the next major point release
+ *
+ * @deprecated since version 9.2.0
+ * @see AbstractCsv::setEscape
+ *
+ * @see https://tools.ietf.org/html/rfc4180#section-2
+ */
+class RFC4180Field extends php_user_filter
+{
+    public const FILTERNAME = 'convert.league.csv.rfc4180';
+
+    /**
+     * The value being search for.
+     *
+     * @var string[]
+     */
+    protected array $search;
+
+    /**
+     * The replacement value that replace found $search values.
+     *
+     * @var string[]
+     */
+    protected array $replace;
+
+    /**
+     * Characters that triggers enclosure with PHP fputcsv.
+     *
+     */
+    protected static string $force_enclosure = "\n\r\t ";
+
+    /**
+     * Static method to add the stream filter to a {@link AbstractCsv} object.
+     */
+    public static function addTo(AbstractCsv $csv, string $whitespace_replace = ''): AbstractCsv
+    {
+        self::register();
+
+        $params = [
+            'enclosure' => $csv->getEnclosure(),
+            'escape' => $csv->getEscape(),
+            'mode' => $csv->getStreamFilterMode(),
+        ];
+
+        if ($csv instanceof Writer && '' != $whitespace_replace) {
+            self::addFormatterTo($csv, $whitespace_replace);
+            $params['whitespace_replace'] = $whitespace_replace;
+        }
+
+        return $csv->addStreamFilter(self::FILTERNAME, $params);
+    }
+
+    /**
+     * Add a formatter to the {@link Writer} object to format the record
+     * field to avoid enclosure around a field with an empty space.
+     */
+    public static function addFormatterTo(Writer $csv, string $whitespace_replace): Writer
+    {
+        if ('' == $whitespace_replace || strlen($whitespace_replace) != strcspn($whitespace_replace, self::$force_enclosure)) {
+            throw new InvalidArgumentException('The sequence contains a character that enforces enclosure or is a CSV control character or is the empty string.');
+        }
+
+        $mapper = fn ($value) => is_string($value)
+            ? str_replace(' ', $whitespace_replace, $value)
+            : $value;
+
+        return $csv->addFormatter(fn (array $record): array => array_map($mapper, $record));
+    }
+
+    /**
+     * Static method to register the class as a stream filter.
+     */
+    public static function register(): void
+    {
+        if (!in_array(self::FILTERNAME, stream_get_filters(), true)) {
+            stream_filter_register(self::FILTERNAME, self::class);
+        }
+    }
+
+    /**
+     * Static method to return the stream filter filtername.
+     */
+    public static function getFiltername(): string
+    {
+        return self::FILTERNAME;
+    }
+
+    /**
+     * @param resource $in
+     * @param resource $out
+     * @param int      $consumed
+     * @param bool     $closing
+     */
+    public function filter($in, $out, &$consumed, $closing): int
+    {
+        while (null !== ($bucket = stream_bucket_make_writeable($in))) {
+            $bucket->data = str_replace($this->search, $this->replace, $bucket->data);
+            $consumed += $bucket->datalen;
+            stream_bucket_append($out, $bucket);
+        }
+
+        return PSFS_PASS_ON;
+    }
+
+    public function onCreate(): bool
+    {
+        if (!$this->isValidParams($this->params)) {
+            return false;
+        }
+
+        $this->search = [$this->params['escape'].$this->params['enclosure']];
+        $this->replace = [$this->params['enclosure'].$this->params['enclosure']];
+        if (STREAM_FILTER_WRITE != $this->params['mode']) {
+            return true;
+        }
+
+        $this->search = [$this->params['escape'].$this->params['enclosure']];
+        $this->replace = [$this->params['escape'].$this->params['enclosure'].$this->params['enclosure']];
+        if ($this->isValidSequence($this->params)) {
+            $this->search[] = $this->params['whitespace_replace'];
+            $this->replace[] = ' ';
+        }
+
+        return true;
+    }
+
+    /**
+     * Validate params property.
+     */
+    protected function isValidParams(array $params): bool
+    {
+        static $mode_list = [STREAM_FILTER_READ => 1, STREAM_FILTER_WRITE => 1];
+
+        return isset($params['enclosure'], $params['escape'], $params['mode'], $mode_list[$params['mode']])
+            && 1 == strlen($params['enclosure'])
+            && 1 == strlen($params['escape']);
+    }
+
+    /**
+     * Is Valid White space replaced sequence.
+     *
+     * @return bool
+     */
+    protected function isValidSequence(array $params)
+    {
+        return isset($params['whitespace_replace'])
+            && strlen($params['whitespace_replace']) == strcspn($params['whitespace_replace'], self::$force_enclosure);
+    }
+}

pancake/system/vendor/league/csv/src/Reader.php

@@ -0,0 +1,365 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+use CallbackFilterIterator;
+use Iterator;
+use JsonSerializable;
+use SplFileObject;
+use function array_combine;
+use function array_filter;
+use function array_pad;
+use function array_slice;
+use function array_unique;
+use function count;
+use function is_array;
+use function iterator_count;
+use function iterator_to_array;
+use function mb_strlen;
+use function mb_substr;
+use function strlen;
+use function substr;
+use const STREAM_FILTER_READ;
+
+/**
+ * A class to parse and read records from a CSV document.
+ */
+class Reader extends AbstractCsv implements TabularDataReader, JsonSerializable
+{
+    protected const STREAM_FILTER_MODE = STREAM_FILTER_READ;
+
+    protected ?int $header_offset = null;
+    protected int $nb_records = -1;
+    protected bool $is_empty_records_included = false;
+    /** @var array<string> header record. */
+    protected array $header = [];
+
+    public static function createFromPath(string $path, string $open_mode = 'r', $context = null)
+    {
+        return parent::createFromPath($path, $open_mode, $context);
+    }
+
+    protected function resetProperties(): void
+    {
+        $this->nb_records = -1;
+        $this->header = [];
+    }
+
+    /** Returns the header offset. */
+    public function getHeaderOffset(): ?int
+    {
+        return $this->header_offset;
+    }
+
+    public function getHeader(): array
+    {
+        if (null === $this->header_offset) {
+            return $this->header;
+        }
+
+        if ([] !== $this->header) {
+            return $this->header;
+        }
+
+        $this->header = $this->setHeader($this->header_offset);
+
+        return $this->header;
+    }
+
+    /**
+     * Determine the CSV record header.
+     *
+     * @throws Exception If the header offset is set and no record is found or is the empty array
+     *
+     * @return array<string>
+     */
+    protected function setHeader(int $offset): array
+    {
+        $header = $this->seekRow($offset);
+        if (in_array($header, [[], [null]], true)) {
+            throw SyntaxError::dueToHeaderNotFound($offset);
+        }
+
+        if (0 !== $offset) {
+            return $header;
+        }
+
+        $header = $this->removeBOM($header, mb_strlen($this->getInputBOM()), $this->enclosure);
+        if ([''] === $header) {
+            throw SyntaxError::dueToHeaderNotFound($offset);
+        }
+
+        return $header;
+    }
+
+    /** Returns the row at a given offset. */
+    protected function seekRow(int $offset): array
+    {
+        foreach ($this->getDocument() as $index => $record) {
+            if ($offset === $index) {
+                return $record;
+            }
+        }
+
+        return [];
+    }
+
+    /**
+     * Returns the document as an Iterator.
+     */
+    protected function getDocument(): Iterator
+    {
+        $this->document->setFlags(SplFileObject::READ_CSV | SplFileObject::READ_AHEAD);
+        $this->document->setCsvControl($this->delimiter, $this->enclosure, $this->escape);
+        $this->document->rewind();
+
+        return $this->document;
+    }
+
+    /**
+     * Strip the BOM sequence from a record.
+     *
+     * @param string[] $record
+     *
+     * @return array<string>
+     */
+    protected function removeBOM(array $record, int $bom_length, string $enclosure): array
+    {
+        if (0 === $bom_length) {
+            return $record;
+        }
+
+        $record[0] = mb_substr($record[0], $bom_length);
+        if ($enclosure.$enclosure != substr($record[0].$record[0], strlen($record[0]) - 1, 2)) {
+            return $record;
+        }
+
+        $record[0] = substr($record[0], 1, -1);
+
+        return $record;
+    }
+
+    public function fetchColumnByName(string $name): Iterator
+    {
+        return ResultSet::createFromTabularDataReader($this)->fetchColumnByName($name);
+    }
+
+    public function fetchColumnByOffset(int $offset = 0): Iterator
+    {
+        return ResultSet::createFromTabularDataReader($this)->fetchColumnByOffset($offset);
+    }
+
+    public function fetchColumn($index = 0): Iterator
+    {
+        return ResultSet::createFromTabularDataReader($this)->fetchColumn($index);
+    }
+
+    public function fetchOne(int $nth_record = 0): array
+    {
+        return ResultSet::createFromTabularDataReader($this)->fetchOne($nth_record);
+    }
+
+    public function fetchPairs($offset_index = 0, $value_index = 1): Iterator
+    {
+        return ResultSet::createFromTabularDataReader($this)->fetchPairs($offset_index, $value_index);
+    }
+
+    public function count(): int
+    {
+        if (-1 === $this->nb_records) {
+            $this->nb_records = iterator_count($this->getRecords());
+        }
+
+        return $this->nb_records;
+    }
+
+    public function getIterator(): Iterator
+    {
+        return $this->getRecords();
+    }
+
+    public function jsonSerialize(): array
+    {
+        return iterator_to_array($this->getRecords(), false);
+    }
+
+    public function getRecords(array $header = []): Iterator
+    {
+        $header = $this->computeHeader($header);
+        $normalized = fn ($record): bool => is_array($record) && ($this->is_empty_records_included || $record != [null]);
+
+        $bom = '';
+        if (!$this->is_input_bom_included) {
+            $bom = $this->getInputBOM();
+        }
+
+        $document = $this->getDocument();
+        $records = $this->stripBOM(new CallbackFilterIterator($document, $normalized), $bom);
+        if (null !== $this->header_offset) {
+            $records = new CallbackFilterIterator($records, fn (array $record, int $offset): bool => $offset !== $this->header_offset);
+        }
+
+        if ($this->is_empty_records_included) {
+            return $this->combineHeader(new MapIterator(
+                $records,
+                fn (array $record): array => ([null] === $record) ? [] : $record
+            ), $header);
+        }
+
+        return $this->combineHeader($records, $header);
+    }
+
+    /**
+     * Returns the header to be used for iteration.
+     *
+     * @param string[] $header
+     *
+     * @throws Exception If the header contains non unique column name
+     *
+     * @return array<string>
+     */
+    protected function computeHeader(array $header)
+    {
+        if ([] === $header) {
+            $header = $this->getHeader();
+        }
+
+        if ($header !== ($filtered_header = array_filter($header, 'is_string'))) {
+            throw SyntaxError::dueToInvalidHeaderColumnNames();
+        }
+
+        if ($header !== array_unique($filtered_header)) {
+            throw SyntaxError::dueToDuplicateHeaderColumnNames($header);
+        }
+
+        return $header;
+    }
+
+    /**
+     * Combine the CSV header to each record if present.
+     *
+     * @param string[] $header
+     */
+    protected function combineHeader(Iterator $iterator, array $header): Iterator
+    {
+        if ([] === $header) {
+            return $iterator;
+        }
+
+        $field_count = count($header);
+        $mapper = static function (array $record) use ($header, $field_count): array {
+            if (count($record) != $field_count) {
+                $record = array_slice(array_pad($record, $field_count, null), 0, $field_count);
+            }
+
+            /** @var array<string|null> $assocRecord */
+            $assocRecord = array_combine($header, $record);
+
+            return $assocRecord;
+        };
+
+        return new MapIterator($iterator, $mapper);
+    }
+
+    /**
+     * Strip the BOM sequence from the returned records if necessary.
+     */
+    protected function stripBOM(Iterator $iterator, string $bom): Iterator
+    {
+        if ('' === $bom) {
+            return $iterator;
+        }
+
+        $bom_length = mb_strlen($bom);
+        $mapper = function (array $record, int $index) use ($bom_length): array {
+            if (0 !== $index) {
+                return $record;
+            }
+
+            $record = $this->removeBOM($record, $bom_length, $this->enclosure);
+            if ([''] === $record) {
+                return [null];
+            }
+
+            return $record;
+        };
+
+        return new CallbackFilterIterator(
+            new MapIterator($iterator, $mapper),
+            fn (array $record): bool => $this->is_empty_records_included || $record != [null]
+        );
+    }
+
+    /**
+     * Selects the record to be used as the CSV header.
+     *
+     * Because the header is represented as an array, to be valid
+     * a header MUST contain only unique string value.
+     *
+     * @param int|null $offset the header record offset
+     *
+     * @throws Exception if the offset is a negative integer
+     *
+     * @return static
+     */
+    public function setHeaderOffset(?int $offset): self
+    {
+        if ($offset === $this->header_offset) {
+            return $this;
+        }
+
+        if (null !== $offset && 0 > $offset) {
+            throw InvalidArgument::dueToInvalidHeaderOffset($offset, __METHOD__);
+        }
+
+        $this->header_offset = $offset;
+        $this->resetProperties();
+
+        return $this;
+    }
+
+    /**
+     * Enable skipping empty records.
+     */
+    public function skipEmptyRecords(): self
+    {
+        if ($this->is_empty_records_included) {
+            $this->is_empty_records_included = false;
+            $this->nb_records = -1;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Disable skipping empty records.
+     */
+    public function includeEmptyRecords(): self
+    {
+        if (!$this->is_empty_records_included) {
+            $this->is_empty_records_included = true;
+            $this->nb_records = -1;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Tells whether empty records are skipped by the instance.
+     */
+    public function isEmptyRecordsIncluded(): bool
+    {
+        return $this->is_empty_records_included;
+    }
+}

pancake/system/vendor/league/csv/src/ResultSet.php

@@ -0,0 +1,261 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+use CallbackFilterIterator;
+use Generator;
+use Iterator;
+use JsonSerializable;
+use LimitIterator;
+use function array_flip;
+use function array_search;
+use function is_string;
+use function iterator_count;
+use function iterator_to_array;
+
+/**
+ * Represents the result set of a {@link Reader} processed by a {@link Statement}.
+ */
+class ResultSet implements TabularDataReader, JsonSerializable
+{
+    /** The CSV records collection. */
+    protected Iterator $records;
+    /** @var array<string> The CSV records collection header. */
+    protected array $header = [];
+
+    public function __construct(Iterator $records, array $header)
+    {
+        $this->validateHeader($header);
+
+        $this->records = $records;
+        $this->header = $header;
+    }
+
+    /**
+     * @throws SyntaxError if the header syntax is invalid
+     */
+    protected function validateHeader(array $header): void
+    {
+        if ($header !== ($filtered_header = array_filter($header, 'is_string'))) {
+            throw SyntaxError::dueToInvalidHeaderColumnNames();
+        }
+
+        if ($header !== array_unique($filtered_header)) {
+            throw SyntaxError::dueToDuplicateHeaderColumnNames($header);
+        }
+    }
+
+    public function __destruct()
+    {
+        unset($this->records);
+    }
+
+    /**
+     * Returns a new instance from an object implementing the TabularDataReader interface.
+     */
+    public static function createFromTabularDataReader(TabularDataReader $reader): self
+    {
+        return new self($reader->getRecords(), $reader->getHeader());
+    }
+
+    /**
+     * Returns the header associated with the result set.
+     *
+     * @return array<string>
+     */
+    public function getHeader(): array
+    {
+        return $this->header;
+    }
+
+    public function getIterator(): Iterator
+    {
+        return $this->getRecords();
+    }
+
+    public function getRecords(array $header = []): Iterator
+    {
+        $this->validateHeader($header);
+        $records = $this->combineHeader($header);
+        foreach ($records as $offset => $value) {
+            yield $offset => $value;
+        }
+    }
+
+    /**
+     * Combine the header to each record if present.
+     */
+    protected function combineHeader(array $header): Iterator
+    {
+        if ($header === $this->header || [] === $header) {
+            return $this->records;
+        }
+
+        $field_count = count($header);
+        $mapper = static function (array $record) use ($header, $field_count): array {
+            if (count($record) != $field_count) {
+                $record = array_slice(array_pad($record, $field_count, null), 0, $field_count);
+            }
+
+            /** @var array<string|null> $assocRecord */
+            $assocRecord = array_combine($header, $record);
+
+            return $assocRecord;
+        };
+
+        return new MapIterator($this->records, $mapper);
+    }
+
+    public function count(): int
+    {
+        return iterator_count($this->records);
+    }
+
+    public function jsonSerialize(): array
+    {
+        return iterator_to_array($this->records, false);
+    }
+
+    public function fetchOne(int $nth_record = 0): array
+    {
+        if ($nth_record < 0) {
+            throw InvalidArgument::dueToInvalidRecordOffset($nth_record, __METHOD__);
+        }
+
+        $iterator = new LimitIterator($this->records, $nth_record, 1);
+        $iterator->rewind();
+
+        $result = $iterator->current();
+        if (!is_array($result)) {
+            return [];
+        }
+
+        return $result;
+    }
+
+    /**
+     * @throws Exception
+     */
+    public function fetchColumnByName(string $name): Iterator
+    {
+        return $this->yieldColumn(
+            $this->getColumnIndexByValue($name, 'name', __METHOD__)
+        );
+    }
+
+    /**
+     * @throws Exception
+     */
+    public function fetchColumnByOffset(int $offset): Iterator
+    {
+        return $this->yieldColumn(
+            $this->getColumnIndexByKey($offset, 'offset', __METHOD__)
+        );
+    }
+
+    public function fetchColumn($index = 0): Iterator
+    {
+        return $this->yieldColumn(
+            $this->getColumnIndex($index, 'offset', __METHOD__)
+        );
+    }
+
+    /**
+     * @param string|int $offset
+     */
+    protected function yieldColumn($offset): Generator
+    {
+        $iterator = new MapIterator(
+            new CallbackFilterIterator($this->records, fn (array $record): bool => isset($record[$offset])),
+            fn (array $record): string => $record[$offset]
+        );
+
+        foreach ($iterator as $key => $value) {
+            yield $key => $value;
+        }
+    }
+
+    /**
+     * Filter a column name against the header if any.
+     *
+     * @param string|int $field the field name or the field index
+     *
+     * @throws InvalidArgument if the field is invalid or not found
+     *
+     * @return string|int
+     */
+    protected function getColumnIndex($field, string $type, string $method)
+    {
+        if (is_string($field)) {
+            return $this->getColumnIndexByValue($field, $type, $method);
+        }
+
+        return $this->getColumnIndexByKey($field, $type, $method);
+    }
+
+    /**
+     * Returns the selected column name.
+     *
+     * @throws InvalidArgument if the column is not found
+     */
+    protected function getColumnIndexByValue(string $value, string $type, string $method): string
+    {
+        if (false === array_search($value, $this->header, true)) {
+            throw InvalidArgument::dueToInvalidColumnIndex($value, $type, $method);
+        }
+
+        return $value;
+    }
+
+    /**
+     * Returns the selected column name according to its offset.
+     *
+     * @throws InvalidArgument if the field is invalid or not found
+     *
+     * @return int|string
+     */
+    protected function getColumnIndexByKey(int $index, string $type, string $method)
+    {
+        if ($index < 0) {
+            throw InvalidArgument::dueToInvalidColumnIndex($index, $type, $method);
+        }
+
+        if ([] === $this->header) {
+            return $index;
+        }
+
+        $value = array_search($index, array_flip($this->header), true);
+        if (false === $value) {
+            throw InvalidArgument::dueToInvalidColumnIndex($index, $type, $method);
+        }
+
+        return $value;
+    }
+
+    public function fetchPairs($offset_index = 0, $value_index = 1): Iterator
+    {
+        $offset = $this->getColumnIndex($offset_index, 'offset', __METHOD__);
+        $value = $this->getColumnIndex($value_index, 'value', __METHOD__);
+
+        $iterator = new MapIterator(
+            new CallbackFilterIterator($this->records, fn (array $record): bool => isset($record[$offset])),
+            fn (array $record): array => [$record[$offset], $record[$value] ?? null]
+        );
+
+        /** @var array{0:int|string, 1:string|null} $pair */
+        foreach ($iterator as $pair) {
+            yield $pair[0] => $pair[1];
+        }
+    }
+}

pancake/system/vendor/league/csv/src/Statement.php

@@ -0,0 +1,166 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+use ArrayIterator;
+use CallbackFilterIterator;
+use Iterator;
+use LimitIterator;
+use function array_reduce;
+
+/**
+ * Criteria to filter a {@link Reader} object.
+ */
+class Statement
+{
+    /** @var array<callable> Callables to filter the iterator. */
+    protected array $where = [];
+    /** @var array<callable> Callables to sort the iterator. */
+    protected array $order_by = [];
+    /** iterator Offset. */
+    protected int $offset = 0;
+    /** iterator maximum length. */
+    protected int $limit = -1;
+
+    /**
+     * @throws Exception
+     */
+    public static function create(callable $where = null, int $offset = 0, int $limit = -1): self
+    {
+        $stmt = new self();
+        if (null !== $where) {
+            $stmt = $stmt->where($where);
+        }
+
+        return $stmt->offset($offset)->limit($limit);
+    }
+
+    /**
+     * Set the Iterator filter method.
+     */
+    public function where(callable $where): self
+    {
+        $clone = clone $this;
+        $clone->where[] = $where;
+
+        return $clone;
+    }
+
+    /**
+     * Set an Iterator sorting callable function.
+     */
+    public function orderBy(callable $order_by): self
+    {
+        $clone = clone $this;
+        $clone->order_by[] = $order_by;
+
+        return $clone;
+    }
+
+    /**
+     * Set LimitIterator Offset.
+     *
+     * @throws Exception if the offset is lesser than 0
+     */
+    public function offset(int $offset): self
+    {
+        if (0 > $offset) {
+            throw InvalidArgument::dueToInvalidRecordOffset($offset, __METHOD__);
+        }
+
+        if ($offset === $this->offset) {
+            return $this;
+        }
+
+        $clone = clone $this;
+        $clone->offset = $offset;
+
+        return $clone;
+    }
+
+    /**
+     * Set LimitIterator Count.
+     *
+     * @throws Exception if the limit is lesser than -1
+     */
+    public function limit(int $limit): self
+    {
+        if (-1 > $limit) {
+            throw InvalidArgument::dueToInvalidLimit($limit, __METHOD__);
+        }
+
+        if ($limit === $this->limit) {
+            return $this;
+        }
+
+        $clone = clone $this;
+        $clone->limit = $limit;
+
+        return $clone;
+    }
+
+    /**
+     * Execute the prepared Statement on the {@link Reader} object.
+     *
+     * @param array<string> $header an optional header to use instead of the CSV document header
+     */
+    public function process(TabularDataReader $tabular_data, array $header = []): TabularDataReader
+    {
+        if ([] === $header) {
+            $header = $tabular_data->getHeader();
+        }
+
+        $iterator = $tabular_data->getRecords($header);
+        $iterator = array_reduce($this->where, [$this, 'filter'], $iterator);
+        $iterator = $this->buildOrderBy($iterator);
+
+        return new ResultSet(new LimitIterator($iterator, $this->offset, $this->limit), $header);
+    }
+
+    /**
+     * Filters elements of an Iterator using a callback function.
+     */
+    protected function filter(Iterator $iterator, callable $callable): CallbackFilterIterator
+    {
+        return new CallbackFilterIterator($iterator, $callable);
+    }
+
+    /**
+     * Sort the Iterator.
+     */
+    protected function buildOrderBy(Iterator $iterator): Iterator
+    {
+        if ([] === $this->order_by) {
+            return $iterator;
+        }
+
+        $compare = function (array $record_a, array $record_b): int {
+            foreach ($this->order_by as $callable) {
+                if (0 !== ($cmp = $callable($record_a, $record_b))) {
+                    return $cmp;
+                }
+            }
+
+            return $cmp ?? 0;
+        };
+
+        $it = new ArrayIterator();
+        foreach ($iterator as $offset => $value) {
+            $it[$offset] = $value;
+        }
+        $it->uasort($compare);
+
+        return $it;
+    }
+}

pancake/system/vendor/league/csv/src/Stream.php

@@ -0,0 +1,447 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+use ReturnTypeWillChange;
+use SeekableIterator;
+use SplFileObject;
+use TypeError;
+use function array_keys;
+use function array_walk_recursive;
+use function fclose;
+use function feof;
+use function fflush;
+use function fgetcsv;
+use function fgets;
+use function fopen;
+use function fpassthru;
+use function fputcsv;
+use function fread;
+use function fseek;
+use function fwrite;
+use function get_resource_type;
+use function gettype;
+use function is_array;
+use function is_resource;
+use function rewind;
+use function stream_filter_append;
+use function stream_filter_remove;
+use function stream_get_meta_data;
+use function strlen;
+use const PHP_VERSION_ID;
+use const SEEK_SET;
+
+/**
+ * An object oriented API to handle a PHP stream resource.
+ *
+ * @internal used internally to iterate over a stream resource
+ */
+final class Stream implements SeekableIterator
+{
+    /** @var array<string, array<resource>> Attached filters. */
+    private array $filters = [];
+    /** @var resource */
+    private $stream;
+    private bool $should_close_stream = false;
+    /** @var mixed can be a null false or a scalar type value. Current iterator value. */
+    private $value;
+    /** Current iterator key. */
+    private int $offset;
+    /** Flags for the Document.*/
+    private int $flags = 0;
+    private string $delimiter = ',';
+    private string $enclosure = '"';
+    private string $escape = '\\';
+    private bool $is_seekable = false;
+
+    /**
+     * @param mixed $stream stream type resource
+     */
+    public function __construct($stream)
+    {
+        if (!is_resource($stream)) {
+            throw new TypeError('Argument passed must be a stream resource, '.gettype($stream).' given.');
+        }
+
+        if ('stream' !== ($type = get_resource_type($stream))) {
+            throw new TypeError('Argument passed must be a stream resource, '.$type.' resource given');
+        }
+
+        $this->is_seekable = stream_get_meta_data($stream)['seekable'];
+        $this->stream = $stream;
+    }
+
+    public function __destruct()
+    {
+        array_walk_recursive($this->filters, fn ($filter): bool => @stream_filter_remove($filter));
+
+        if ($this->should_close_stream && is_resource($this->stream)) {
+            fclose($this->stream);
+        }
+
+        unset($this->stream);
+    }
+
+    public function __clone()
+    {
+        throw UnavailableStream::dueToForbiddenCloning(self::class);
+    }
+
+    public function __debugInfo(): array
+    {
+        return stream_get_meta_data($this->stream) + [
+            'delimiter' => $this->delimiter,
+            'enclosure' => $this->enclosure,
+            'escape' => $this->escape,
+            'stream_filters' => array_keys($this->filters),
+        ];
+    }
+
+    /**
+     * Return a new instance from a file path.
+     *
+     * @param resource|null $context
+     *
+     * @throws Exception if the stream resource can not be created
+     */
+    public static function createFromPath(string $path, string $open_mode = 'r', $context = null): self
+    {
+        $args = [$path, $open_mode];
+        if (null !== $context) {
+            $args[] = false;
+            $args[] = $context;
+        }
+
+        $resource = @fopen(...$args);
+        if (!is_resource($resource)) {
+            throw UnavailableStream::dueToPathNotFound($path);
+        }
+
+        $instance = new self($resource);
+        $instance->should_close_stream = true;
+
+        return $instance;
+    }
+
+    /**
+     * Return a new instance from a string.
+     */
+    public static function createFromString(string $content = ''): self
+    {
+        /** @var resource $resource */
+        $resource = fopen('php://temp', 'r+');
+        fwrite($resource, $content);
+
+        $instance = new self($resource);
+        $instance->should_close_stream = true;
+
+        return $instance;
+    }
+
+    /**
+     * returns the URI of the underlying stream.
+     *
+     * @see https://www.php.net/manual/en/splfileinfo.getpathname.php
+     */
+    public function getPathname(): string
+    {
+        return stream_get_meta_data($this->stream)['uri'];
+    }
+
+    /**
+     * append a filter.
+     *
+     * @see http://php.net/manual/en/function.stream-filter-append.php
+     *
+     * @throws InvalidArgument if the filter can not be appended
+     */
+    public function appendFilter(string $filtername, int $read_write, array $params = null): void
+    {
+        $res = @stream_filter_append($this->stream, $filtername, $read_write, $params ?? []);
+        if (!is_resource($res)) {
+            throw InvalidArgument::dueToStreamFilterNotFound($filtername);
+        }
+
+        $this->filters[$filtername][] = $res;
+    }
+
+    /**
+     * Set CSV control.
+     *
+     * @see http://php.net/manual/en/SplFileObject.setcsvcontrol.php
+     */
+    public function setCsvControl(string $delimiter = ',', string $enclosure = '"', string $escape = '\\'): void
+    {
+        [$this->delimiter, $this->enclosure, $this->escape] = $this->filterControl($delimiter, $enclosure, $escape, __METHOD__);
+    }
+
+    /**
+     * Filter Csv control characters.
+     *
+     * @throws InvalidArgument If the Csv control character is not one character only.
+     */
+    private function filterControl(string $delimiter, string $enclosure, string $escape, string $caller): array
+    {
+        if (1 !== strlen($delimiter)) {
+            throw InvalidArgument::dueToInvalidDelimiterCharacter($delimiter, $caller);
+        }
+
+        if (1 !== strlen($enclosure)) {
+            throw InvalidArgument::dueToInvalidEnclosureCharacter($enclosure, $caller);
+        }
+
+        if (1 === strlen($escape) || ('' === $escape && 70400 <= PHP_VERSION_ID)) {
+            return [$delimiter, $enclosure, $escape];
+        }
+
+        throw InvalidArgument::dueToInvalidEscapeCharacter($escape, $caller);
+    }
+
+    /**
+     * Set CSV control.
+     *
+     * @see http://php.net/manual/en/SplFileObject.getcsvcontrol.php
+     *
+     * @return array<string>
+     */
+    public function getCsvControl(): array
+    {
+        return [$this->delimiter, $this->enclosure, $this->escape];
+    }
+
+    /**
+     * Set CSV stream flags.
+     *
+     * @see http://php.net/manual/en/SplFileObject.setflags.php
+     */
+    public function setFlags(int $flags): void
+    {
+        $this->flags = $flags;
+    }
+
+    /**
+     * Write a field array as a CSV line.
+     *
+     * @see http://php.net/manual/en/SplFileObject.fputcsv.php
+     *
+     * @return int|false
+     */
+    public function fputcsv(array $fields, string $delimiter = ',', string $enclosure = '"', string $escape = '\\', string $eol = "\n")
+    {
+        $controls = $this->filterControl($delimiter, $enclosure, $escape, __METHOD__);
+        if (80100 <= PHP_VERSION_ID) {
+            $controls[] = $eol;
+        }
+
+        return fputcsv($this->stream, $fields, ...$controls);
+    }
+
+    /**
+     * Get line number.
+     *
+     * @see http://php.net/manual/en/SplFileObject.key.php
+     */
+    public function key(): int
+    {
+        return $this->offset;
+    }
+
+    /**
+     * Read next line.
+     *
+     * @see http://php.net/manual/en/SplFileObject.next.php
+     */
+    public function next(): void
+    {
+        $this->value = false;
+        $this->offset++;
+    }
+
+    /**
+     * Rewind the file to the first line.
+     *
+     * @see http://php.net/manual/en/SplFileObject.rewind.php
+     *
+     * @throws Exception if the stream resource is not seekable
+     */
+    public function rewind(): void
+    {
+        if (!$this->is_seekable) {
+            throw UnavailableFeature::dueToMissingStreamSeekability();
+        }
+
+        rewind($this->stream);
+        $this->offset = 0;
+        $this->value = false;
+        if (0 !== ($this->flags & SplFileObject::READ_AHEAD)) {
+            $this->current();
+        }
+    }
+
+    /**
+     * Not at EOF.
+     *
+     * @see http://php.net/manual/en/SplFileObject.valid.php
+     */
+    public function valid(): bool
+    {
+        if (0 !== ($this->flags & SplFileObject::READ_AHEAD)) {
+            return $this->current() !== false;
+        }
+
+        return !feof($this->stream);
+    }
+
+    /**
+     * Retrieves the current line of the file.
+     *
+     * @see http://php.net/manual/en/SplFileObject.current.php
+     *
+     * @return mixed The value of the current element.
+     */
+    #[ReturnTypeWillChange]
+    public function current()
+    {
+        if (false !== $this->value) {
+            return $this->value;
+        }
+
+        $this->value = $this->getCurrentRecord();
+
+        return $this->value;
+    }
+
+    /**
+     * Retrieves the current line as a CSV Record.
+     *
+     * @return array|false
+     */
+    private function getCurrentRecord()
+    {
+        $flag = 0 !== ($this->flags & SplFileObject::SKIP_EMPTY);
+        do {
+            $ret = fgetcsv($this->stream, 0, $this->delimiter, $this->enclosure, $this->escape);
+        } while ($flag && is_array($ret) && null === $ret[0]);
+
+        return $ret;
+    }
+
+    /**
+     * Seek to specified line.
+     *
+     * @see http://php.net/manual/en/SplFileObject.seek.php
+     *
+     * @param  int       $position
+     * @throws Exception if the position is negative
+     */
+    public function seek($position): void
+    {
+        if ($position < 0) {
+            throw InvalidArgument::dueToInvalidSeekingPosition($position, __METHOD__);
+        }
+
+        $this->rewind();
+        while ($this->key() !== $position && $this->valid()) {
+            $this->current();
+            $this->next();
+        }
+
+        if (0 !== $position) {
+            $this->offset--;
+        }
+
+        $this->current();
+    }
+
+    /**
+     * Output all remaining data on a file pointer.
+     *
+     * @see http://php.net/manual/en/SplFileObject.fpatssthru.php
+     *
+     * @return int|false
+     */
+    public function fpassthru()
+    {
+        return fpassthru($this->stream);
+    }
+
+    /**
+     * Read from file.
+     *
+     * @see http://php.net/manual/en/SplFileObject.fread.php
+     *
+     * @param int<0, max> $length The number of bytes to read
+     *
+     * @return string|false
+     */
+    public function fread(int $length)
+    {
+        return fread($this->stream, $length);
+    }
+
+    /**
+     * Gets a line from file.
+     *
+     * @see http://php.net/manual/en/SplFileObject.fgets.php
+     *
+     * @return string|false
+     */
+    public function fgets()
+    {
+        return fgets($this->stream);
+    }
+
+    /**
+     * Seek to a position.
+     *
+     * @see http://php.net/manual/en/SplFileObject.fseek.php
+     *
+     * @throws Exception if the stream resource is not seekable
+     */
+    public function fseek(int $offset, int $whence = SEEK_SET): int
+    {
+        if (!$this->is_seekable) {
+            throw UnavailableFeature::dueToMissingStreamSeekability();
+        }
+
+        return fseek($this->stream, $offset, $whence);
+    }
+
+    /**
+     * Write to stream.
+     *
+     * @see http://php.net/manual/en/SplFileObject.fwrite.php
+     *
+     * @return int|false
+     */
+    public function fwrite(string $str, int $length = null)
+    {
+        $args = [$this->stream, $str];
+        if (null !== $length) {
+            $args[] = $length;
+        }
+
+        return fwrite(...$args);
+    }
+
+    /**
+     * Flushes the output to a file.
+     *
+     * @see http://php.net/manual/en/SplFileObject.fwrite.php
+     */
+    public function fflush(): bool
+    {
+        return fflush($this->stream);
+    }
+}

pancake/system/vendor/league/csv/src/SyntaxError.php

@@ -0,0 +1,60 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+use Throwable;
+
+/**
+ * SyntaxError Exception.
+ */
+class SyntaxError extends Exception
+{
+    /**
+     * @var array<string>
+     */
+    protected array $duplicateColumnNames = [];
+
+    /**
+     * DEPRECATION WARNING! This class will be removed in the next major point release.
+     *
+     * @deprecated since version 9.7.0
+     */
+    public function __construct(string $message = '', int $code = 0, Throwable $previous = null)
+    {
+        parent::__construct($message, $code, $previous);
+    }
+
+    public static function dueToHeaderNotFound(int $offset): self
+    {
+        return new self('The header record does not exist or is empty at offset: `'.$offset.'`');
+    }
+
+    public static function dueToInvalidHeaderColumnNames(): self
+    {
+        return new self('The header record contains non string colum names.');
+    }
+
+    public static function dueToDuplicateHeaderColumnNames(array $header): self
+    {
+        $instance = new self('The header record contains duplicate column names.');
+        $instance->duplicateColumnNames = array_keys(array_filter(array_count_values($header), fn (int $value): bool => $value > 1));
+
+        return $instance;
+    }
+
+    public function duplicateColumnNames(): array
+    {
+        return $this->duplicateColumnNames;
+    }
+}

pancake/system/vendor/league/csv/src/TabularDataReader.php

@@ -0,0 +1,117 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+use Countable;
+use Iterator;
+use IteratorAggregate;
+
+/**
+ * Represents a Tabular data.
+ *
+ * @method Iterator fetchColumnByName(string $name)  returns a column from its name
+ * @method Iterator fetchColumnByOffset(int $offset) returns a column from its offset
+ */
+interface TabularDataReader extends Countable, IteratorAggregate
+{
+    /**
+     * Returns the number of records contained in the tabular data structure
+     * excluding the header record.
+     */
+    public function count(): int;
+
+    /**
+     * Returns the tabular data records as an iterator object.
+     *
+     * Each record is represented as a simple array containing strings or null values.
+     *
+     * If the CSV document has a header record then each record is combined
+     * to the header record and the header record is removed from the iterator.
+     *
+     * If the CSV document is inconsistent. Missing record fields are
+     * filled with null values while extra record fields are strip from
+     * the returned object.
+     */
+    public function getIterator(): Iterator;
+
+    /**
+     * Returns the header associated with the tabular data.
+     *
+     * The header must contains unique string or is an empty array
+     * if no header was specified.
+     *
+     * @return array<string>
+     */
+    public function getHeader(): array;
+
+    /**
+     * Returns the tabular data records as an iterator object.
+     *
+     * Each record is represented as a simple array containing strings or null values.
+     *
+     * If the tabular data has a header record then each record is combined
+     * to the header record and the header record is removed from the iterator.
+     *
+     * If the tabular data is inconsistent. Missing record fields are
+     * filled with null values while extra record fields are strip from
+     * the returned object.
+     *
+     * @param array<string> $header an optional header to use instead of the CSV document header
+     */
+    public function getRecords(array $header = []): Iterator;
+
+    /**
+     * Returns the nth record from the tabular data.
+     *
+     * By default if no index is provided the first record of the tabular data is returned
+     *
+     * @param int $nth_record the tabular data record offset
+     *
+     * @throws UnableToProcessCsv if argument is lesser than 0
+     */
+    public function fetchOne(int $nth_record = 0): array;
+
+    /**
+     * DEPRECATION WARNING! This class will be removed in the next major point release.
+     *
+     * @deprecated since version 9.8.0
+     *
+     * @see ::fetchColumnByName
+     * @see ::fetchColumnByOffset
+     *
+     * Returns a single column from the next record of the tabular data.
+     *
+     * By default if no value is supplied the first column is fetch
+     *
+     * @param string|int $index CSV column index
+     *
+     * @throws UnableToProcessCsv if the column index is invalid or not found
+     */
+    public function fetchColumn($index = 0): Iterator;
+
+    /**
+     * Returns the next key-value pairs from the tabular data (first
+     * column is the key, second column is the value).
+     *
+     * By default if no column index is provided:
+     * - the first column is used to provide the keys
+     * - the second column is used to provide the value
+     *
+     * @param string|int $offset_index The column index to serve as offset
+     * @param string|int $value_index  The column index to serve as value
+     *
+     * @throws UnableToProcessCsv if the column index is invalid or not found
+     */
+    public function fetchPairs($offset_index = 0, $value_index = 1): Iterator;
+}

pancake/system/vendor/league/csv/src/UnableToProcessCsv.php

@@ -0,0 +1,20 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+use Throwable;
+
+interface UnableToProcessCsv extends Throwable
+{
+}

pancake/system/vendor/league/csv/src/UnavailableFeature.php

@@ -0,0 +1,42 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+use Throwable;
+
+/**
+ * StreamFilterSupportMissing Exception.
+ */
+class UnavailableFeature extends Exception
+{
+    /**
+     * DEPRECATION WARNING! This class will be removed in the next major point release.
+     *
+     * @deprecated since version 9.7.0
+     */
+    public function __construct(string $message = '', int $code = 0, Throwable $previous = null)
+    {
+        parent::__construct($message, $code, $previous);
+    }
+
+    public static function dueToUnsupportedStreamFilterApi(string $className): self
+    {
+        return new self('The stream filter API can not be used with a '.$className.' instance.');
+    }
+
+    public static function dueToMissingStreamSeekability(): self
+    {
+        return new self('stream does not support seeking');
+    }
+}

pancake/system/vendor/league/csv/src/UnavailableStream.php

@@ -0,0 +1,32 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+final class UnavailableStream extends Exception
+{
+    private function __construct(string $message)
+    {
+        parent::__construct($message);
+    }
+
+    public static function dueToPathNotFound(string $path): self
+    {
+        return new self('`'.$path.'`: failed to open stream: No such file or directory.');
+    }
+
+    public static function dueToForbiddenCloning(string $class_name): self
+    {
+        return new self('An object of class '.$class_name.' cannot be cloned.');
+    }
+}

pancake/system/vendor/league/csv/src/Writer.php

@@ -0,0 +1,222 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+use function array_reduce;
+use function strlen;
+use const PHP_VERSION_ID;
+use const SEEK_CUR;
+use const STREAM_FILTER_WRITE;
+
+/**
+ * A class to insert records into a CSV Document.
+ */
+class Writer extends AbstractCsv
+{
+    protected const STREAM_FILTER_MODE = STREAM_FILTER_WRITE;
+
+    /** @var array<callable> callable collection to format the record before insertion. */
+    protected array $formatters = [];
+    /** @var array<callable> callable collection to validate the record before insertion. */
+    protected array $validators = [];
+    protected string $newline = "\n";
+    protected int $flush_counter = 0;
+    protected ?int $flush_threshold = null;
+
+    protected function resetProperties(): void
+    {
+    }
+
+    /**
+     * Returns the current newline sequence characters.
+     */
+    public function getNewline(): string
+    {
+        return $this->newline;
+    }
+
+    /**
+     * Get the flush threshold.
+     */
+    public function getFlushThreshold(): ?int
+    {
+        return $this->flush_threshold;
+    }
+
+    /**
+     * Adds multiple records to the CSV document.
+     *
+     * @see Writer::insertOne
+     */
+    public function insertAll(iterable $records): int
+    {
+        $bytes = 0;
+        foreach ($records as $record) {
+            $bytes += $this->insertOne($record);
+        }
+
+        $this->flush_counter = 0;
+        $this->document->fflush();
+
+        return $bytes;
+    }
+
+    /**
+     * Adds a single record to a CSV document.
+     *
+     * A record is an array that can contains scalar types values, NULL values
+     * or objects implementing the __toString method.
+     *
+     * @throws CannotInsertRecord If the record can not be inserted
+     */
+    public function insertOne(array $record): int
+    {
+        $record = array_reduce($this->formatters, fn (array $record, callable $formatter): array => $formatter($record), $record);
+        $this->validateRecord($record);
+        $bytes = $this->addRecord($record);
+        if (false === $bytes || 0 >= $bytes) {
+            throw CannotInsertRecord::triggerOnInsertion($record);
+        }
+
+        return $bytes + $this->consolidate();
+    }
+
+    /**
+     * Adds a single record to a CSV Document using PHP algorithm.
+     *
+     * @see https://php.net/manual/en/function.fputcsv.php
+     *
+     * @return int|false
+     */
+    protected function addRecord(array $record)
+    {
+        if (PHP_VERSION_ID < 80100) {
+            return $this->document->fputcsv($record, $this->delimiter, $this->enclosure, $this->escape);
+        }
+
+        return $this->document->fputcsv($record, $this->delimiter, $this->enclosure, $this->escape, $this->newline);
+    }
+
+    /**
+     * DEPRECATION WARNING! This method will be removed in the next major point release.
+     *
+     * @deprecated since version 9.8.0
+     * @codeCoverageIgnore
+     *
+     * Format a record.
+     *
+     * The returned array must contain
+     *   - scalar types values,
+     *   - NULL values,
+     *   - or objects implementing the __toString() method.
+     */
+    protected function formatRecord(array $record, callable $formatter): array
+    {
+        return $formatter($record);
+    }
+
+    /**
+     * Validate a record.
+     *
+     * @throws CannotInsertRecord If the validation failed
+     */
+    protected function validateRecord(array $record): void
+    {
+        foreach ($this->validators as $name => $validator) {
+            if (true !== $validator($record)) {
+                throw CannotInsertRecord::triggerOnValidation($name, $record);
+            }
+        }
+    }
+
+    /**
+     * Apply post insertion actions.
+     */
+    protected function consolidate(): int
+    {
+        $bytes = 0;
+        if (80100 > PHP_VERSION_ID && "\n" !== $this->newline) {
+            $this->document->fseek(-1, SEEK_CUR);
+            /** @var int $newlineBytes */
+            $newlineBytes = $this->document->fwrite($this->newline, strlen($this->newline));
+            $bytes =  $newlineBytes - 1;
+        }
+
+        if (null === $this->flush_threshold) {
+            return $bytes;
+        }
+
+        ++$this->flush_counter;
+        if (0 === $this->flush_counter % $this->flush_threshold) {
+            $this->flush_counter = 0;
+            $this->document->fflush();
+        }
+
+        return $bytes;
+    }
+
+    /**
+     * Adds a record formatter.
+     */
+    public function addFormatter(callable $formatter): self
+    {
+        $this->formatters[] = $formatter;
+
+        return $this;
+    }
+
+    /**
+     * Adds a record validator.
+     */
+    public function addValidator(callable $validator, string $validator_name): self
+    {
+        $this->validators[$validator_name] = $validator;
+
+        return $this;
+    }
+
+    /**
+     * Sets the newline sequence.
+     */
+    public function setNewline(string $newline): self
+    {
+        $this->newline = $newline;
+
+        return $this;
+    }
+
+    /**
+     * Set the flush threshold.
+     *
+     * @param ?int $threshold
+     *
+     * @throws InvalidArgument if the threshold is a integer lesser than 1
+     */
+    public function setFlushThreshold(?int $threshold): self
+    {
+        if ($threshold === $this->flush_threshold) {
+            return $this;
+        }
+
+        if (null !== $threshold && 1 > $threshold) {
+            throw InvalidArgument::dueToInvalidThreshold($threshold, __METHOD__);
+        }
+
+        $this->flush_threshold = $threshold;
+        $this->flush_counter = 0;
+        $this->document->fflush();
+
+        return $this;
+    }
+}

pancake/system/vendor/league/csv/src/XMLConverter.php

@@ -0,0 +1,193 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+use DOMAttr;
+use DOMDocument;
+use DOMElement;
+use DOMException;
+
+/**
+ * Converts tabular data into a DOMDocument object.
+ */
+class XMLConverter
+{
+    /**
+     * XML Root name.
+     */
+    protected string $root_name = 'csv';
+
+    /**
+     * XML Node name.
+     */
+    protected string $record_name = 'row';
+
+    /**
+     * XML Item name.
+     */
+    protected string $field_name = 'cell';
+
+    /**
+     * XML column attribute name.
+     */
+    protected string $column_attr = '';
+
+    /**
+     * XML offset attribute name.
+     */
+    protected string $offset_attr = '';
+
+    public static function create(): self
+    {
+        return new self();
+    }
+
+    /**
+     * DEPRECATION WARNING! This method will be removed in the next major point release.
+     *
+     * @deprecated since version 9.7.0
+     * @see XMLConverter::create()
+     */
+    public function __construct()
+    {
+    }
+
+    /**
+     * Convert a Record collection into a DOMDocument.
+     */
+    public function convert(iterable $records): DOMDocument
+    {
+        $doc = new DOMDocument('1.0');
+        $node = $this->import($records, $doc);
+        $doc->appendChild($node);
+
+        return $doc;
+    }
+
+    /**
+     * Create a new DOMElement related to the given DOMDocument.
+     *
+     * **DOES NOT** attach to the DOMDocument
+     */
+    public function import(iterable $records, DOMDocument $doc): DOMElement
+    {
+        $root = $doc->createElement($this->root_name);
+        foreach ($records as $offset => $record) {
+            $node = $this->recordToElement($doc, $record, $offset);
+            $root->appendChild($node);
+        }
+
+        return $root;
+    }
+
+    /**
+     * Convert a CSV record into a DOMElement and
+     * adds its offset as DOMElement attribute.
+     */
+    protected function recordToElement(DOMDocument $doc, array $record, int $offset): DOMElement
+    {
+        $node = $doc->createElement($this->record_name);
+        foreach ($record as $node_name => $value) {
+            $item = $this->fieldToElement($doc, (string) $value, $node_name);
+            $node->appendChild($item);
+        }
+
+        if ('' !== $this->offset_attr) {
+            $node->setAttribute($this->offset_attr, (string) $offset);
+        }
+
+        return $node;
+    }
+
+    /**
+     * Convert Cell to Item.
+     *
+     * Convert the CSV item into a DOMElement and adds the item offset
+     * as attribute to the returned DOMElement
+     *
+     * @param int|string $node_name
+     */
+    protected function fieldToElement(DOMDocument $doc, string $value, $node_name): DOMElement
+    {
+        $item = $doc->createElement($this->field_name);
+        $item->appendChild($doc->createTextNode($value));
+
+        if ('' !== $this->column_attr) {
+            $item->setAttribute($this->column_attr, (string) $node_name);
+        }
+
+        return $item;
+    }
+
+    /**
+     * XML root element setter.
+     */
+    public function rootElement(string $node_name): self
+    {
+        $clone = clone $this;
+        $clone->root_name = $this->filterElementName($node_name);
+
+        return $clone;
+    }
+
+    /**
+     * Filter XML element name.
+     *
+     * @throws DOMException If the Element name is invalid
+     */
+    protected function filterElementName(string $value): string
+    {
+        return (new DOMElement($value))->tagName;
+    }
+
+    /**
+     * XML Record element setter.
+     */
+    public function recordElement(string $node_name, string $record_offset_attribute_name = ''): self
+    {
+        $clone = clone $this;
+        $clone->record_name = $this->filterElementName($node_name);
+        $clone->offset_attr = $this->filterAttributeName($record_offset_attribute_name);
+
+        return $clone;
+    }
+
+    /**
+     * Filter XML attribute name.
+     *
+     * @param string $value Element name
+     *
+     * @throws DOMException If the Element attribute name is invalid
+     */
+    protected function filterAttributeName(string $value): string
+    {
+        if ('' === $value) {
+            return $value;
+        }
+
+        return (new DOMAttr($value))->name;
+    }
+
+    /**
+     * XML Field element setter.
+     */
+    public function fieldElement(string $node_name, string $fieldname_attribute_name = ''): self
+    {
+        $clone = clone $this;
+        $clone->field_name = $this->filterElementName($node_name);
+        $clone->column_attr = $this->filterAttributeName($fieldname_attribute_name);
+
+        return $clone;
+    }
+}

pancake/system/vendor/league/csv/src/functions.php

@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Csv;
+
+/**
+ * DEPRECATION WARNING! This class will be removed in the next major point release.
+ *
+ * @deprecated since version 9.7.0
+ * @see Info::fetchBOMSequence()
+ *
+ * Returns the BOM sequence found at the start of the string.
+ *
+ * If no valid BOM sequence is found an empty string is returned
+ */
+function bom_match(string $str): string
+{
+    return Info::fetchBOMSequence($str) ?? '';
+}
+
+/**
+ * @param array<string> $delimiters
+ *
+ * @return array<string,int>
+ * @deprecated since version 9.7.0
+ * @see Info::getDelimiterStats()
+ *
+ * Detect Delimiters usage in a {@link Reader} object.
+ *
+ * Returns a associative array where each key represents
+ * a submitted delimiter and each value the number CSV fields found
+ * when processing at most $limit CSV records with the given delimiter
+ *
+ */
+function delimiter_detect(Reader $csv, array $delimiters, int $limit = 1): array
+{
+    return Info::getDelimiterStats($csv, $delimiters, $limit);
+}

pancake/system/vendor/league/csv/src/functions_include.php

@@ -0,0 +1,14 @@
+<?php
+
+/**
+ * League.Csv (https://csv.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+if (!function_exists('League\Csv\bom_match')) {
+    require __DIR__.'/functions.php';
+}