3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function _($i) { return $i; } var_dump((_(function () {})[0]);
based on AJ0Vc
Output for 5.0.0 - 5.4.32
Fatal error: Cannot redeclare _() in /in/LK9pP on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/LK9pP on line 5
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_FUNCTION, expecting ')' in /in/LK9pP on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/LK9pP on line 5
Process exited with code 255.