3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo( preg_replace_callback( '~\[admin(.+?)\[/admin\]~is', function($m) { return '[admin' . strtr($m[1], array("\n" => '&#13;', ' ' => ' &#32;')) . '[/admin]'; }, '[admin]test[/admin]' ) );
Output for 5.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
[admin]test[/admin]
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/gjqh2 on line 5
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/gjqh2 on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/gjqh2 on line 5
Process exited with code 255.