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run code in 200+ php & hhvm versions
Bugs & Features
<?php function foo(&$bar) { var_dump($bar); } $z = new stdclass; $v = array($z); call_user_func_array("foo", $v);
based on PBmDN
Output for 7.1.0 - 7.2.0
Warning: Parameter 1 to foo() expected to be a reference, value given in /in/m2s4H on line 5 object(stdClass)#1 (0) { }
Output for 5.3.0 - 7.0.20
Warning: Parameter 1 to foo() expected to be a reference, value given in /in/m2s4H on line 5
Output for 5.0.0 - 5.2.17
object(stdClass)#1 (0) { }
Output for 4.3.0 - 4.4.9
object(stdClass)(0) { }