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<?php
/**
* WPSEO plugin file.
*
* @package WPSEO\Frontend
*/
/**
* Class WPSEO_OpenGraph_OEmbed.
*/
class WPSEO_OpenGraph_OEmbed implements WPSEO_WordPress_Integration {
/**
* Registers the hooks.
*/
public function register_hooks() {
// Check to make sure opengraph is enabled before adding filter.
if ( WPSEO_Options::get( 'opengraph' ) ) {
add_filter( 'oembed_response_data', array( $this, 'set_oembed_data' ), 10, 2 );
}
}
/**
* Callback function to pass to the oEmbed's response data that will enable
* support for using the image and title set by the WordPress SEO plugin's fields. This
* address the concern where some social channels/subscribed use oEmebed data over OpenGraph data
* if both are present.
*
* @param array $data The oEmbed data.
* @param WP_Post $post The current Post object.
*
* @link https://developer.wordpress.org/reference/hooks/oembed_response_data/ for hook info.
*
* @return array $filter_data - An array of oEmbed data with modified values where appropriate.
*/
public function set_oembed_data( $data, $post ) {
// Data to be returned.
$filter_data = $data;
// Look for the Yoast meta values (image and title)...
$opengraph_title = WPSEO_Meta::get_value( 'opengraph-title', $post->ID );
$opengraph_image = WPSEO_Meta::get_value( 'opengraph-image', $post->ID );
// If yoast has a title set, update oEmbed with Yoast's title.
if ( ! empty( $opengraph_title ) ) {
$filter_data['title'] = $opengraph_title;
}
// If WPSEO Image was _not_ set, return the `$filter_data` as it currently is.
if ( empty( $opengraph_image ) ) {
return $filter_data;
}
// Since the a WPSEO Image was set, update the oEmbed data with the Yoast Image's info.
// Get the image's ID from a URL.
$image_id = WPSEO_Image_Utils::get_attachment_by_url( $opengraph_image );
// Get the image's info from it's ID.
$image_info = wp_get_attachment_metadata( $image_id );
// Update the oEmbed data.
$filter_data['thumbnail_url'] = $opengraph_image;
if ( ! empty( $image_info['height'] ) ) {
$filter_data['thumbnail_height'] = $image_info['height'];
}
if ( ! empty( $image_info['width'] ) ) {
$filter_data['thumbnail_width'] = $image_info['width'];
}
return $filter_data;
}
}
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