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<?php function bubble_sort($arr) { $size = count($arr); for ($i=0; $i<$size; $i++) { for ($j=0; $j<$size-1-$i; $j++) { if ($arr[$j+1] < $arr[$j]) { swap($arr, $j, $j+1); } } } return $arr; } function swap(&$arr, $a, $b) { $tmp = $arr[$a]; $arr[$a] = $arr[$b]; $arr[$b] = $tmp; } /* test bubble sort */ $arr = array(1,3,2,8,5,7,4,0); print("Before sorting"); print_r($arr); bubble_sort($arr); print("After sorting by using bubble sort"); print_r($arr);

preferences:
31.6 ms | 402 KiB | 5 Q