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run code in 150+ php & hhvm versions
Bugs & Features
<?php $v = 'a'; var_dump($v['b']);
Output for 5.4.0 - 7.1.0
Warning: Illegal string offset 'b' in /in/0YdE8 on line 3 string(1) "a"
Output for 4.3.0 - 5.3.29
string(1) "a"