3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $test = NULL; $vals = array('prvá', 'druha', 'tretia', 'stvrta'); foreach($vals as $k => $val) { $test .= $k . '-' . $val . '+'; } echo $test;
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
0-prvá+1-druha+2-tretia+3-stvrta+