3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = 'false'; var_dump( $a['foo'] );
Output for 5.4.0 - 7.2.0
Warning: Illegal string offset 'foo' in /in/F1pvn on line 4 string(1) "f"
Output for 4.3.0 - 5.3.29
string(1) "f"