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   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  
  12  namespace Symfony\Polyfill\Php70;
  13  
  14  /**
  15   * @author Nicolas Grekas <p@tchwork.com>
  16   *
  17   * @internal
  18   */
  19  final class Php70
  20  {
  21      public static function intdiv($dividend, $divisor)
  22      {
  23          $dividend = self::intArg($dividend, __FUNCTION__, 1);
  24          $divisor = self::intArg($divisor, __FUNCTION__, 2);
  25  
  26          if (0 === $divisor) {
  27              throw new \DivisionByZeroError('Division by zero');
  28          }
  29          if (-1 === $divisor && ~PHP_INT_MAX === $dividend) {
  30              throw new \ArithmeticError('Division of PHP_INT_MIN by -1 is not an integer');
  31          }
  32  
  33          return ($dividend - ($dividend % $divisor)) / $divisor;
  34      }
  35  
  36      public static function preg_replace_callback_array(array $patterns, $subject, $limit = -1, &$count = 0)
  37      {
  38          $count = 0;
  39          $result = (string) $subject;
  40          if (0 === $limit = self::intArg($limit, __FUNCTION__, 3)) {
  41              return $result;
  42          }
  43  
  44          foreach ($patterns as $pattern => $callback) {
  45              $result = preg_replace_callback($pattern, $callback, $result, $limit, $c);
  46              $count += $c;
  47          }
  48  
  49          return $result;
  50      }
  51  
  52      public static function error_clear_last()
  53      {
  54          static $handler;
  55          if (!$handler) {
  56              $handler = function () { return false; };
  57          }
  58          set_error_handler($handler);
  59          @trigger_error('');
  60          restore_error_handler();
  61      }
  62  
  63      private static function intArg($value, $caller, $pos)
  64      {
  65          if (\is_int($value)) {
  66              return $value;
  67          }
  68          if (!\is_numeric($value) || PHP_INT_MAX <= ($value += 0) || ~PHP_INT_MAX >= $value) {
  69              throw new \TypeError(sprintf('%s() expects parameter %d to be integer, %s given', $caller, $pos, \gettype($value)));
  70          }
  71  
  72          return (int) $value;
  73      }
  74  }