3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $daysOfWeek = array(1=>'pon',2=>'wt',3=>'sr',4=>'czw',5=>'pt',6=>'so', 0=>'nd'); foreach($daysOfWeek as $key=>$value) { echo $key.' '.$value; } $converted = array(); foreach ($daysOfWeek as $key=>$checked) { $converted[++$key] = $checked; } $converted[0] = $converted[7]; unset($converted[7]); print_r($converted);
based on v1XPR
Output for 4.3.0 - 7.2.6
1 pon2 wt3 sr4 czw5 pt6 so0 ndArray ( [2] => pon [3] => wt [4] => sr [5] => czw [6] => pt [1] => nd [0] => so )