3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo substr("string", "3"); echo substr("string", "string");
Output for 7.0.0 - 7.2.0
ing Warning: substr() expects parameter 2 to be integer, string given in /in/IXVLA on line 5
Output for 5.3.0 - 5.6.28
ing Warning: substr() expects parameter 2 to be long, string given in /in/IXVLA on line 5
Output for 4.3.0 - 5.2.17
ingstring