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get_media_embedded_in_content( string $content, string[] $types = null )

Check the content HTML for a audio, video, object, embed, or iframe tags.

Parameters

$content

(string) (Required) A string of HTML which might contain media elements.

$types

(string[]) (Optional) An array of media types: 'audio', 'video', 'object', 'embed', or 'iframe'.

Default value: null

Return

(string[]) Array of found HTML media elements.

Source

File: wp-includes/media.php 

function get_media_embedded_in_content( $content, $types = null ) {
	$html = array();

	/**
	 * Filters the embedded media types that are allowed to be returned from the content blob.
	 *
	 * @since 4.2.0
	 *
	 * @param string[] $allowed_media_types An array of allowed media types. Default media types are
	 *                                      'audio', 'video', 'object', 'embed', and 'iframe'.
	 */
	$allowed_media_types = apply_filters( 'media_embedded_in_content_allowed_types', array( 'audio', 'video', 'object', 'embed', 'iframe' ) );

	if ( ! empty( $types ) ) {
		if ( ! is_array( $types ) ) {
			$types = array( $types );
		}

		$allowed_media_types = array_intersect( $allowed_media_types, $types );
	}

	$tags = implode( '|', $allowed_media_types );

	if ( preg_match_all( '#<(?P<tag>' . $tags . ')[^<]*?(?:>[\s\S]*?<\/(?P=tag)>|\s*\/>)#', $content, $matches ) ) {
		foreach ( $matches[0] as $match ) {
			$html[] = $match;
		}
	}

	return $html;
}

Uses

Uses Description
wp-includes/media.php: media_embedded_in_content_allowed_types

Filters the embedded media types that are allowed to be returned from the content blob.
wp-includes/plugin.php: apply_filters()

Calls the callback functions that have been added to a filter hook.

Changelog

Version Description
3.6.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/get_media_embedded_in_content