function Crawler::findNamespacePrefixes

2 calls to Crawler::findNamespacePrefixes()

Crawler::evaluate in vendor/symfony/dom-crawler/Crawler.php

Evaluates an XPath expression.

Crawler::filterRelativeXPath in vendor/symfony/dom-crawler/Crawler.php

Filters the list of nodes with an XPath expression.

File

vendor/symfony/dom-crawler/Crawler.php, line 1162

Class

Crawler

Crawler eases navigation of a list of \DOMNode objects.

Namespace

Symfony\Component\DomCrawler

Code

private function findNamespacePrefixes(string $xpath) : array {
    if (preg_match_all('/(?P<prefix>[a-z_][a-z_0-9\\-\\.]*+):[^"\\/:]/i', $xpath, $matches)) {
        return array_unique($matches['prefix']);
    }
    return [];
}