3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $hello[0]["arg0"] = "v:0"; $hello[0]["arg1"] = "v:1"; $hello[0]["arg2"] = "v:2"; for($i=0;$i<count($hello[0]);$i++) { echo $hello[0]["arg".($i+1)]; }
based on BXJUN
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0
v:1v:2 Notice: Undefined index: arg3 in /in/QuYL5 on line 9