lockfile again

vendor/league/csv/src/Info.php

@@ -0,0 +1,81 @@
+<?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 Deprecated;
+
+use function array_fill_keys;
+use function array_filter;
+use function array_reduce;
+use function array_unique;
+use function count;
+use function strlen;
+
+use const COUNT_RECURSIVE;
+
+final class Info implements ByteSequence
+{
+    /**
+     * Returns the BOM sequence found at the start of the string.
+     *
+     * If no valid BOM sequence is found an empty string is returned
+     *
+     * @deprecated since version 9.16.0
+     * @see Bom::tryFromSequence()
+     * @codeCoverageIgnore
+     */
+    #[Deprecated(message:'use League\Csv\Bom::tryFromSequence() instead', since:'league/csv:9.16.0')]
+    public static function fetchBOMSequence(string $str): ?string
+    {
+        return Bom::tryFromSequence($str)?->value;
+    }
+
+    /**
+     * 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 array<string> $delimiters
+     * @param int<-1, max> $limit
+     *
+     * @return array<string, int>
+     */
+    public static function getDelimiterStats(Reader $csv, array $delimiters, int $limit = 1): array
+    {
+        $currentHeaderOffset = $csv->getHeaderOffset();
+        $currentDelimiter = $csv->getDelimiter();
+
+        $stats = array_reduce(
+            array_unique(array_filter($delimiters, fn (string $value): bool => 1 === strlen($value))),
+            fn (array $stats, string $delimiter): array => [
+                ...$stats,
+                ...[$delimiter => count([
+                    ...$csv
+                        ->setHeaderOffset(null)
+                        ->setDelimiter($delimiter)
+                        ->slice(0, $limit)
+                        ->filter(fn (array $record, int|string $key): bool => 1 < count($record)),
+                ], COUNT_RECURSIVE)],
+            ],
+            array_fill_keys($delimiters, 0)
+        );
+
+        $csv->setHeaderOffset($currentHeaderOffset);
+        $csv->setDelimiter($currentDelimiter);
+
+        return $stats;
+    }
+}