function UrlResolver::findUrl

Tries to find the oEmbed URL in a DOM.

Parameters

\DOMXPath $xpath: Page HTML as DOMXPath.

string $format: Format of oEmbed resource. Possible values are 'json' and 'xml'.

Return value

bool|string A URL to an oEmbed resource or FALSE if not found.

1 call to UrlResolver::findUrl()

UrlResolver::discoverResourceUrl in core/modules/media/src/OEmbed/UrlResolver.php

Runs oEmbed discovery and returns the endpoint URL if successful.

File

core/modules/media/src/OEmbed/UrlResolver.php, line 120

Class

UrlResolver

Converts oEmbed media URLs into endpoint-specific resource URLs.

Namespace

Drupal\media\OEmbed

Code

protected function findUrl(\DOMXPath $xpath, $format) {
    $result = $xpath->query("//link[@type='application/{$format}+oembed']");
    return $result->length ? $result->item(0)
        ->getAttribute('href') : FALSE;
}