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1 <?php
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2
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3 /*
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4 * This file is part of the Symfony package.
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5 *
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6 * (c) Fabien Potencier <fabien@symfony.com>
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7 *
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8 * For the full copyright and license information, please view the LICENSE
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9 * file that was distributed with this source code.
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10 */
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11
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12 namespace Symfony\Polyfill\Php70;
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13
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14 /**
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15 * @author Nicolas Grekas <p@tchwork.com>
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16 *
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17 * @internal
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18 */
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19 final class Php70
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20 {
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21 public static function intdiv($dividend, $divisor)
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22 {
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23 $dividend = self::intArg($dividend, __FUNCTION__, 1);
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24 $divisor = self::intArg($divisor, __FUNCTION__, 2);
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25
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26 if (0 === $divisor) {
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27 throw new \DivisionByZeroError('Division by zero');
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28 }
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29 if (-1 === $divisor && ~PHP_INT_MAX === $dividend) {
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30 throw new \ArithmeticError('Division of PHP_INT_MIN by -1 is not an integer');
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31 }
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32
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33 return ($dividend - ($dividend % $divisor)) / $divisor;
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34 }
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35
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36 public static function preg_replace_callback_array(array $patterns, $subject, $limit = -1, &$count = 0)
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37 {
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38 $count = 0;
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39 $result = (string) $subject;
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40 if (0 === $limit = self::intArg($limit, __FUNCTION__, 3)) {
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41 return $result;
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42 }
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43
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44 foreach ($patterns as $pattern => $callback) {
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45 $result = preg_replace_callback($pattern, $callback, $result, $limit, $c);
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46 $count += $c;
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47 }
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48
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49 return $result;
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50 }
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51
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52 public static function error_clear_last()
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53 {
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54 static $handler;
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55 if (!$handler) {
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56 $handler = function () { return false; };
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57 }
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58 set_error_handler($handler);
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59 @trigger_error('');
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60 restore_error_handler();
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61 }
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62
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63 private static function intArg($value, $caller, $pos)
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64 {
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65 if (\is_int($value)) {
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66 return $value;
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67 }
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68 if (!\is_numeric($value) || PHP_INT_MAX <= ($value += 0) || ~PHP_INT_MAX >= $value) {
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69 throw new \TypeError(sprintf('%s() expects parameter %d to be integer, %s given', $caller, $pos, \gettype($value)));
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70 }
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71
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72 return (int) $value;
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73 }
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74 }
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