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run code in 150+ php & hhvm versions
Bugs & Features
<?php $var=$_SERVER['REMOTE_ADDR']; echo "$var"; ?>
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
Notice: Undefined index: REMOTE_ADDR in /in/eWFnM on line 2
Output for 4.3.0 - 5.2.17
Notice: Undefined index: REMOTE_ADDR in /in/eWFnM on line 2