* - only works for user-defined functions, not for PHP internal functions\r
* (reflection does not support retrieving number/type of params for those)\r
* - functions returning php objects will generate special xmlrpc responses:\r
* - only works for user-defined functions, not for PHP internal functions\r
* (reflection does not support retrieving number/type of params for those)\r
* - functions returning php objects will generate special xmlrpc responses:\r