3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $t = 5; mul(($c = $t)); function mul(&$t) { $t *= 5; } var_dump($t);
Output for 7.0.0 - 7.1.0
Notice: Only variables should be passed by reference in /in/v8sFd on line 5 int(5)
Output for hhvm-3.10.0 - 3.12.0
Strict Warning: Only variables should be passed by reference in /in/v8sFd on line 5 int(5)
Output for 5.1.0 - 5.6.28
Strict Standards: Only variables should be passed by reference in /in/v8sFd on line 5 int(5)
Output for 4.3.2 - 4.4.0, 5.0.0 - 5.0.5
Fatal error: Only variables can be passed by reference in /in/v8sFd on line 5
Process exited with code 255.
Output for 4.4.1 - 4.4.9
Notice: Only variables can be passed by reference in /in/v8sFd on line 5 int(5)
Output for 4.3.0 - 4.3.1
Fatal error: Only variables can be passed by reference in /in/v8sFd on line 5