芝麻web文件管理V1.00

编辑当前文件:/home/qrafawbu/qrafiqxcreativeagency.com/accounts/office/vendor/azjezz/psl/src/Psl/Iter/first.php
<?php declare(strict_types=1); namespace Psl\Iter; /** * Returns the first element of an iterable, if the iterable is empty, null will be returned. * * @template T * * @param iterable<T> $iterable * * @return T|null */ function first(iterable $iterable) { foreach ($iterable as $v) { return $v; } return null; }