Source

File: wp-includes/IXR/class-IXR-clientmulticall.php

/**
	 * @since 1.5.0
	 * @since 5.5.0 Formalized the existing `...$args` parameter by adding it
	 *              to the function signature.
	 */
    function addCall( ...$args )
    {
        $methodName = array_shift($args);
        $struct = array(
            'methodName' => $methodName,