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run code in 150+ php & hhvm versions
Bugs & Features
<?php echo check(array()); function check(&$ok = array()) { return $ok; } ?>
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Cannot pass parameter 1 by reference in /in/Qt4Fk:3 Stack trace: #0 {main} thrown in /in/Qt4Fk on line 3
Process exited with code 255.
Output for 5.0.0 - 5.6.28
Fatal error: Cannot pass parameter 1 by reference in /in/Qt4Fk on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '=', expecting ')' in /in/Qt4Fk on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '=', expecting ')' in /in/Qt4Fk on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/Qt4Fk on line 6
Process exited with code 255.