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run code in 200+ php & hhvm versions
Bugs & Features
<?php $mystring = null; if ($test == null) { echo 'is null'; }
Output for 5.0.4 - 7.2.0
Notice: Undefined variable: test in /in/IDXSI on line 4 is null
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: test in /in/IDXSI on line 4 is null