- ini_set: documentation ( source)
<?php
ini_set('allow_call_time_pass_reference','Off');
class Foo2{public function bar($a,&$b,$c){return func_get_args();}}
$foo=new Foo2();
$aa='A';
$bb='B';
$cc='C';
call_user_func_array(array($foo,'bar'),array($aa,&$bb,$cc));