Function phper_sys::_call_user_function_ex

pub unsafe extern "C" fn _call_user_function_ex(
    object: *mut zval, 
    function_name: *mut zval, 
    retval_ptr: *mut zval, 
    param_count: u32, 
    params: *mut zval, 
    no_separation: c_int
) -> c_int