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EDIT :: HashParser.php

<?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. */ namespace Symfony\Component\CssSelector\Parser\Shortcut; use Symfony\Component\CssSelector\Node\ElementNode; use Symfony\Component\CssSelector\Node\HashNode; use Symfony\Component\CssSelector\Node\SelectorNode; use Symfony\Component\CssSelector\Parser\ParserInterface; /** * CSS selector hash parser shortcut. * * This component is a port of the Python cssselector library, * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect. * * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com> */ class HashParser implements ParserInterface { /** * {@inheritdoc} */ public function parse($source) { // Matches an optional namespace, optional element, and required id // $source = 'test|input#ab6bd_field'; // $matches = array (size=5) // 0 => string 'test:input#ab6bd_field' (length=22) // 1 => string 'test:' (length=5) // 2 => string 'test' (length=4) // 3 => string 'input' (length=5) // 4 => string 'ab6bd_field' (length=11) if (preg_match('/^(([a-z]+)\|)?([\w-]+|\*)?#([\w-]+)$/i', trim($source), $matches)) { return array( new SelectorNode(new HashNode(new ElementNode($matches[2] ?: null, $matches[3] ?: null), $matches[4])) ); } return array(); } }

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