3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $s=""; var_dump(empty($s["s"]));
Output for 4.3.3 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
bool(true)
Output for 4.3.0 - 4.3.2
Notice: Uninitialized string offset: 0 in /in/Qb5P2 on line 3 bool(true)