3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function reverseString($string = 'nice') { } function rev($str) { return $str?rev(substr($str,1)).$str[0]:''; } echo rev('Online strlen() function for some newbies who cannot bla bla bla do something haha, nice, i dont have to repeat it');
Output for 4.3.0 - 7.1.0
ti taeper ot evah tnod i ,ecin ,ahah gnihtemos od alb alb alb tonnac ohw seibwen emos rof noitcnuf )(nelrts enilnO