3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Foo {} function bar(Foo &$foo) { } $foo = new Foo(); call_user_func_array("bar", array($foo));
Output for 5.3.0 - 7.1.0
Warning: Parameter 1 to bar() expected to be a reference, value given in /in/Mmq1D on line 7
Output for 5.0.0 - 5.2.17
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/Mmq1D on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting ')' in /in/Mmq1D on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/Mmq1D on line 3
Process exited with code 255.