Created
February 9, 2013 08:35
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Written for oEmbed module (but not committed), this snippet extracts script elements from the html property of oEmbed responses that are "video" or "rich." The scripts are added to a the render array as #attached. This also suggests a way to create produce opengraph meta tags from oEmbed media by using #attached['html_head']
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| <?php | |
| $embed = $element['#embed']; | |
| // Check if the oEmbed response provides a thumbnail image. | |
| if (empty($embed['html'])) { | |
| $element['#printed'] = TRUE; | |
| return $element; | |
| } | |
| $doc = new DOMDocument(); | |
| $doc->strictErrorChecking = FALSE; | |
| @$doc->loadHTML('<body>'. $embed['html'] .'</body>'); | |
| $scripts = $doc->getElementsByTagName('script'); | |
| foreach ($scripts as $script) { | |
| if ($script->hasAttribute('src')) { | |
| $src = $script->getAttribute('src'); | |
| $data = array( | |
| 'type' => 'external', | |
| ); | |
| if ($script->hasAttribute('defer')) { | |
| $data['defer'] = TRUE; | |
| } | |
| $element['#attached']['js'][$src] = $data; | |
| $script->parentNode->removeChild($script); | |
| } | |
| } | |
| // This would be the place to filter embedded HTML. | |
| $element['#content'] = array( | |
| '#markup' => '', | |
| ); | |
| foreach ($doc->getElementsByTagName('body')->item(0)->childNodes as $node) { | |
| $element['#content']['#markup'] .= $doc->saveHTML($node); | |
| } |
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