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24 lines
828 B
PHP
24 lines
828 B
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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$operators = array('not', '!', 'or', '||', '&&', 'and', '|', '^', '&', '==', '===', '!=', '!==', '<', '>', '>=', '<=', 'not in', 'in', '..', '+', '-', '~', '*', '/', '%', 'matches', '**');
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$operators = array_combine($operators, array_map('strlen', $operators));
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arsort($operators);
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$regex = array();
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foreach ($operators as $operator => $length) {
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// an operator that ends with a character must be followed by
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// a whitespace or a parenthesis
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$regex[] = preg_quote($operator, '/').(ctype_alpha($operator[$length - 1]) ? '(?=[\s(])' : '');
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}
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echo '/'.implode('|', $regex).'/A';
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