3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(preg_replace('/(nÖdkåpa)/i', '$1 xD', 'nödkåpa blabla', 'UTF-8'));
based on 9XAIa
Output for hhvm-3.12.0, 7.0.0 - 7.1.0
Warning: preg_replace() expects parameter 4 to be integer, string given in /in/KJVbQ on line 3 NULL
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.3.0 - 5.6.28
Warning: preg_replace() expects parameter 4 to be long, string given in /in/KJVbQ on line 3 NULL
Output for 4.3.0 - 5.2.17
string(16) "nödkåpa blabla"