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编辑当前文件:/home/qrafawbu/qrafiqxcreativeagency.com/accounts/office/vendor/azjezz/psl/src/Psl/Vec/keys.php
<?php declare(strict_types=1); namespace Psl\Vec; use function array_keys; use function is_array; /** * Return all the keys of an array. * * @template Tk of array-key * @template Tv * * @param iterable<Tk, Tv> $iterable * * @return list<Tk> */ function keys(iterable $iterable): array { if (is_array($iterable)) { return array_keys($iterable); } $result = []; foreach ($iterable as $k => $_v) { $result[] = $k; } return $result; }