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[DomCrawler] Optimize the regex used to find namespace prefixes

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This commit is contained in:
Christophe Coevoet 2015-09-20 23:13:58 +02:00
parent f64cf23811
commit 02818e4c92
1 changed files with 2 additions and 2 deletions
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4
src/Symfony/Component/DomCrawler/Crawler.php
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@ -1036,13 +1036,13 @@ class Crawler extends \SplObjectStorage
}
/**
* @param $xpath
* @param string $xpath
*
* @return array
*/
private function findNamespacePrefixes($xpath)
{
if (preg_match_all('/(?P<prefix>[a-z_][a-z_0-9\-\.]*):[^"\/:]/i', $xpath, $matches)) {
if (preg_match_all('/(?P<prefix>[a-z_][a-z_0-9\-\.]*+):[^"\/:]/i', $xpath, $matches)) {
return array_unique($matches['prefix']);
}