function Crawler::isValidHtml5Heading

1 call to Crawler::isValidHtml5Heading()

Crawler::canParseHtml5String in vendor/symfony/dom-crawler/Crawler.php

File

vendor/symfony/dom-crawler/Crawler.php, line 1228

Class

Crawler

Crawler eases navigation of a list of \DOMNode objects.

Namespace

Symfony\Component\DomCrawler

Code

private function isValidHtml5Heading(string $heading) : bool {
    return 1 === preg_match('/^\\x{FEFF}?\\s*(<!--[^>]*?-->\\s*)*$/u', $heading);
}