3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $str = 'hello'; var_dump(isset($str[5]));
Output for 4.3.3 - 4.4.9, 5.0.2 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
bool(false)
Output for 5.0.0 - 5.0.1
bool(true)
Output for 4.3.0 - 4.3.2
Notice: Uninitialized string offset: 5 in /in/S7iYf on line 4 bool(false)