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run code in 150+ php & hhvm versions
Bugs & Features
<?php $foo = ''; var_dump(isset($foo['bar']));
Output for 4.3.3 - 7.1.0
bool(false)
Output for 4.3.0 - 4.3.2
Notice: Uninitialized string offset: 0 in /in/6PX28 on line 4 bool(false)