1--TEST-- 2passing parameter of __unset() by ref 3--FILE-- 4<?php 5 6class test { 7 function __unset(&$name) { } 8} 9 10$t = new test; 11$name = "prop"; 12 13var_dump($t->$name); 14 15echo "Done\n"; 16?> 17--EXPECTF-- 18Fatal error: Method test::__unset() cannot take arguments by reference in %s on line %d 19