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run code in 200+ php & hhvm versions
Bugs & Features
<?php $some = array('test' => 'val'); echo $some[test];
Output for 7.2.0 - 7.3.0rc4
Warning: Use of undefined constant test - assumed 'test' (this will throw an Error in a future version of PHP) in /in/dugKb on line 3 val
Output for 4.3.0 - 7.1.20
Notice: Use of undefined constant test - assumed 'test' in /in/dugKb on line 3 val