wp-includes/class-wp-xmlrpc-server.php:6712Retrieves an array of methods supported by this server.
arrayOne hook fires while wp_xmlrpc_server::mt_supportedMethods() runs, in this order:
Fires after the XML-RPC user has been authenticated but before the rest of the method logic begins.
public function mt_supportedMethods() { /** This action is documented in wp-includes/class-wp-xmlrpc-server.php */ do_action( 'xmlrpc_call', 'mt.supportedMethods', array(), $this ); return array_keys( $this->methods ); }Introduced in 1.5.0. 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.