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run code in 200+ php & hhvm versions
Bugs & Features
<?php $test = array('mast'=>'asdfasdf'); var_dump( !$test['asdfasdf']);
Output for 5.3.0 - 7.1.7
Notice: Undefined index: asdfasdf in /in/1rCqn on line 3 bool(true)
Output for 4.3.0 - 5.2.17
Notice: Undefined index: asdfasdf in /in/1rCqn on line 3 bool(true)