Classes List

Symfony\Component\ExpressionLanguage\Resources\bin\generate_operator_regex

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<?php

/* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */


$operators = array('not''!''or''||''&&''and''|''^''&''==''===''!=''!==''<''>''>=''<=''not in''in''..''+''-''~''*''/''%''matches''**');
$operators = array_combine($operatorsarray_map('strlen'$operators));
arsort($operators);

$regex = array();
foreach ($operators as $operator => $length) {
    // an operator that ends with a character must be followed by
    // a whitespace or a parenthesis
    $regex[] = preg_quote($operator'/').(ctype_alpha($operator[$length - 1]) ? '(?=[\s(])' : '');
}

echo '/'.implode('|'$regex).'/A';