Filters the callback for killing WordPress execution for XML-RPC requests.
$callbackcallablewp-includes/functions.php:3799wp_die() * Filters the callback for killing WordPress execution for XML-RPC requests. * * @since 3.4.0 * * @param callable $callback Callback function name. */ $callback = apply_filters( 'wp_die_xmlrpc_handler', '_xmlrpc_wp_die_handler' ); } elseif ( wp_is_xml_request() || isset( $wp_query ) && ( function_exists( 'is_feed' ) && is_feed() || function_exists( 'is_comment_feed' ) && is_comment_feed() || function_exists( 'is_trackback' ) && is_trackback() ) ) { /**Introduced in 3.4.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.