1<?php
2
3/*
4 * This file is part of the Symfony package.
5 *
6 * (c) Fabien Potencier <fabien@symfony.com>
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11
12use Symfony\Polyfill\Php73 as p;
13
14if (\PHP_VERSION_ID >= 70300) {
15    return;
16}
17
18if (!function_exists('is_countable')) {
19    function is_countable($value) { return is_array($value) || $value instanceof Countable || $value instanceof ResourceBundle || $value instanceof SimpleXmlElement; }
20}
21if (!function_exists('hrtime')) {
22    require_once __DIR__.'/Php73.php';
23    p\Php73::$startAt = (int) microtime(true);
24    function hrtime($as_number = false) { return p\Php73::hrtime($as_number); }
25}
26if (!function_exists('array_key_first')) {
27    function array_key_first(array $array) { foreach ($array as $key => $value) { return $key; } }
28}
29if (!function_exists('array_key_last')) {
30    function array_key_last(array $array) { return key(array_slice($array, -1, 1, true)); }
31}
32