Source
File: wp-includes/rest-api/search/class-wp-rest-post-search-handler.php
public function prepare_item( $id, array $fields ) {
$post = get_post( $id );
$data = array();
if ( in_array( WP_REST_Search_Controller::PROP_ID, $fields, true ) ) {
$data[ WP_REST_Search_Controller::PROP_ID ] = (int) $post->ID;
}
if ( in_array( WP_REST_Search_Controller::PROP_TITLE, $fields, true ) ) {
if ( post_type_supports( $post->post_type, 'title' ) ) {
add_filter( 'protected_title_format', array( $this, 'protected_title_format' ) );
$data[ WP_REST_Search_Controller::PROP_TITLE ] = get_the_title( $post->ID );
remove_filter( 'protected_title_format', array( $this, 'protected_title_format' ) );
} else {
$data[ WP_REST_Search_Controller::PROP_TITLE ] = '';
}
}
if ( in_array( WP_REST_Search_Controller::PROP_URL, $fields, true ) ) {
$data[ WP_REST_Search_Controller::PROP_URL ] = get_permalink( $post->ID );
}
if ( in_array( WP_REST_Search_Controller::PROP_TYPE, $fields, true ) ) {
$data[ WP_REST_Search_Controller::PROP_TYPE ] = $this->type;
}
if ( in_array( WP_REST_Search_Controller::PROP_SUBTYPE, $fields, true ) ) {
$data[ WP_REST_Search_Controller::PROP_SUBTYPE ] = $post->post_type;
}
return $data;
}