3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $code = "$1?1?2/:1$2?3?4?5/:2$3E/:3$8?1?2/:4$5$7E/:5$6$7E/:1$7E/:2$4/"; preg_match_all('~\$\K\~', $code, $matches); print_r($matches[0]);
Output for 5.2.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_match_all(): No ending delimiter '~' found in /in/9kjra on line 3
Output for hhvm-3.10.0 - 3.12.0
Warning: No ending delimiter '~' found: [~\$\K\~] in /in/9kjra on line 3
Output for 4.3.11 - 5.1.6
Warning: preg_match_all(): No ending delimiter '~' found in /in/9kjra on line 3 Notice: Undefined offset: 0 in /in/9kjra on line 4
Output for 4.3.0 - 4.3.10
Warning: No ending delimiter '~' found in /in/9kjra on line 3 Notice: Undefined offset: 0 in /in/9kjra on line 4