3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = function(&$a){}; $ref = new ReflectionFunction($a); echo $ref->getParameters()[0];
based on tFi0U
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Parameter #0 [ <required> &$a ]
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ',' or ';' in /in/cgsNq on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/cgsNq on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/cgsNq on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/cgsNq on line 3
Process exited with code 255.