wp-includes/class-wp-xmlrpc-server.php:400Retrieves custom fields for post.
$post_idintarray public function get_custom_fields( $post_id ) { $post_id = (int) $post_id; $custom_fields = array(); foreach ( (array) has_meta( $post_id ) as $meta ) { // Don't expose protected fields. if ( ! current_user_can( 'edit_post_meta', $post_id, $meta['meta_key'] ) ) { continue; } $custom_fields[] = array( 'id' => $meta['meta_id'], 'key' => $meta['meta_key'], 'value' => $meta['meta_value'], ); } return $custom_fields; }Introduced in 2.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-xmlrpc-server.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.