3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function test(&$arr = array()) { var_dump($arr); return $arr; } $arr =& test(); var_dump($arr);
Output for 7.0.0 - 7.1.0
array(0) { } Notice: Only variables should be assigned by reference in /in/VROtS on line 6 array(0) { }
Output for 5.0.0 - 5.0.4, hhvm-3.10.0 - 3.12.0
array(0) { } array(0) { }
Output for 5.0.5 - 5.6.28
array(0) { } Strict Standards: Only variables should be assigned by reference in /in/VROtS on line 6 array(0) { }
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '=', expecting ')' in /in/VROtS on line 2
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/VROtS on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/VROtS on line 2
Process exited with code 255.