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run code in 200+ php & hhvm versions
Bugs & Features
<?php if(!$_REQUEST["hallo"]){ echo "nohallo"; } else { echo "hallo"; }
Output for 5.3.0 - 7.3.1
Notice: Undefined index: hallo in /in/buC8D on line 2 nohallo
Output for 4.3.0 - 5.2.17
Notice: Undefined index: hallo in /in/buC8D on line 2 nohallo