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run code in 300+ PHP versions simultaneously
<?php $array = array('4','2','3','0'); echo "<pre>";print_r($array); function bubble_sort($array){ $count = count($array); for($i=0;$i<$count;$i++){ for($j=0;$j<$count-1-$i;$j++){ if($array[$j+1]<$array[$j]){ swap($array,$j,$j+1); } } } return $array; } function swap(&$arr,$a,$b){ $temp = $arr[$a]; $arr[$a] = $arr[$b]; $arr[$b] = $temp; } $array1 = bubble_sort($array); print_r($array1);

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42.99 ms | 402 KiB | 5 Q