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vendor/symfony/polyfill-php73/bootstrap.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+use Symfony\Polyfill\Php73 as p;
+
+if (PHP_VERSION_ID < 70300) {
+    if (!function_exists('is_countable')) {
+        function is_countable($var) { return is_array($var) || $var instanceof Countable || $var instanceof ResourceBundle || $var instanceof SimpleXmlElement; }
+    }
+
+    if (!function_exists('hrtime')) {
+        require_once __DIR__.'/Php73.php';
+        p\Php73::$startAt = (int) microtime(true);
+        function hrtime($asNum = false) { return p\Php73::hrtime($asNum); }
+    }
+
+    if (!function_exists('array_key_first')) {
+        function array_key_first(array $array) { foreach ($array as $key => $value) { return $key; } }
+    }
+
+    if (!function_exists('array_key_last')) {
+        function array_key_last(array $array) { end($array); return key($array); }
+    }
+}