'width',
'height' => 'height',
'mime-type' => 'type',
];
/**
* Returns the image for a post.
*
* @return string The image tag.
*/
public function present() {
$images = $this->get();
if ( empty( $images ) ) {
return '';
}
$return = '';
foreach ( $images as $image_index => $image_meta ) {
$image_url = $image_meta['url'];
$return .= '';
foreach ( static::$image_tags as $key => $value ) {
if ( empty( $image_meta[ $key ] ) ) {
continue;
}
$return .= \PHP_EOL . "\t" . '';
}
}
return $return;
}
/**
* Gets the raw value of a presentation.
*
* @return array The raw value.
*/
public function get() {
$images = [];
foreach ( $this->presentation->open_graph_images as $open_graph_image ) {
$images[] = $this->filter( $open_graph_image );
}
return \array_filter( $images );
}
/**
* Run the image content through the `wpseo_opengraph_image` filter.
*
* @param array $image The image.
*
* @return array The filtered image.
*/
protected function filter( $image ) {
/**
* Filter: 'wpseo_opengraph_image' - Allow changing the Open Graph image.
*
* @api string - The URL of the Open Graph image.
*
* @param Indexable_Presentation $presentation The presentation of an indexable.
*/
$image_url = \trim( \apply_filters( 'wpseo_opengraph_image', $image['url'], $this->presentation ) );
if ( ! empty( $image_url ) && \is_string( $image_url ) ) {
$image['url'] = $image_url;
}
return $image;
}
}