3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(strrev(array('b:0;')));
Output for 5.3.0 - 7.2.0
Warning: strrev() expects parameter 1 to be string, array given in /in/Y5Ino on line 1 NULL
Output for 4.3.0 - 5.2.17
Notice: Array to string conversion in /in/Y5Ino on line 1 string(5) "yarrA"