Php70.php
75 lines
| 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 | } |
| 75 |