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run code in 150+ php & hhvm versions
Bugs & Features
<?php $dirname = ("{$_SERVER['DOCUMENT_ROOT']}/f1/f2/");echo $dirname;
Output for 5.2.3 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
/f1/f2/
Output for 4.3.0 - 5.2.2
Notice: Undefined index: DOCUMENT_ROOT in /in/bisOT on line 3 /f1/f2/