w32api_invoke_function Invokes function funcname with the arguments passed after the function name &reftitle.description; mixedw32api_invoke_function stringfuncname mixedargument mixed... w32api_invoke_function tries to find the previously registered function, passing the parameters you provided. &reftitle.parameters; funcname The function name. argument Any of the arguments can be of any PHP type or w32api_deftype defined type, as needed. ... &reftitle.returnvalues; The return type is the one you set when you registered the function, the value is the one returned by the function itself. &reftitle.notes; &warn.experimental.func;