3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $g='h'; echo sqrt($g);
Output for 7.0.0 - 7.1.0
Warning: sqrt() expects parameter 1 to be float, string given in /in/GSBB3 on line 5
Output for 5.3.0 - 5.6.28
Warning: sqrt() expects parameter 1 to be double, string given in /in/GSBB3 on line 5
Output for 4.3.0 - 5.2.17
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