3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(0,1,2); $maxtries = intval(count($a)*(floatval(count($a)+1)/2.0)); $tries = 0; while(!empty($a) && $tries<$maxtries) { echo "Try number: ".($tries+1)."\n"; print_r($a); //if($a[$tries]<$a[$tries+1]) { array_push($a, $a[$tries]); //} unset($a[$tries]); $tries += 1; } echo "done\n"; print_r($a);

preferences:
76 ms | 402 KiB | 5 Q