3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $x = "test"; $x[10] ='asd'; echo $x;
Output for 4.3.0 - 5.2.9, 5.2.12 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
test a
Output for 5.2.10 - 5.2.11
Notice: Uninitialized string offset: 10 in /in/1AcOb on line 3 test a