3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo preg_match("\\\((.*?)\)\\", "int(11)");
Output for 4.3.11 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_match(): Delimiter must not be alphanumeric or backslash in /in/1WDcV on line 3
Output for 4.3.0 - 4.3.10, hhvm-3.10.0 - 3.12.0
Warning: Delimiter must not be alphanumeric or backslash in /in/1WDcV on line 3