3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = [1,2]; function f($b) { xdebug_debug_zval('b'); return [$b[1], $b[0]]; } xdebug_debug_zval('a'); $c = f($a); xdebug_debug_zval('c');
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Call to undefined function xdebug_debug_zval() in /in/vXYiZ:7 Stack trace: #0 {main} thrown in /in/vXYiZ on line 7
Process exited with code 255.
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0
Fatal error: Call to undefined function xdebug_debug_zval() in /in/vXYiZ on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/vXYiZ on line 2
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 '[' in /in/vXYiZ on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/vXYiZ on line 2
Process exited with code 255.