3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $string = 'hello world!'; $output = ''; for ($i = 0; $i < strlen($string); $i++) { $output .= chr($string{$i}); } echo $output;
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0