3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function FirstReverse($str) { $length = strlen($str)-1; $rstr = NULL; for ($i = $length; $i > -1; $i--) { $rstr .= $str[$i]; } // code goes here return $rstr; } // keep this function call here // to see how to enter arguments in PHP scroll down echo FirstReverse("test");
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
tset