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