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<?php $arr = array(1,3,2,8,5,7,4,0); $array_length = count($arr); for ($i=0; $i<$array_length; $i++) { for ($j=0; $j<$array_length-1-$i; $j++) { if ($arr[$j+1] < $arr[$j]) { $tmp = $arr[$j]; $arr[$j] = $arr[$j+1]; $arr[$j+1] = $tmp; } } } var_dump(arr);

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37.21 ms | 402 KiB | 5 Q