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run code in 200+ php & hhvm versions
Bugs & Features
<?php $f = "foo"; echo $f[4];
Output for 5.2.10 - 7.1.7
Notice: Uninitialized string offset: 4 in /in/EuAZi on line 5
Output for 4.3.0 - 5.2.9
Notice: Uninitialized string offset: 4 in /in/EuAZi on line 5