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<?php $data = array(8,4,1,9,5,7,3,2,6,0); function merge_sort($list){ var_dump($list); if(count($list) <= 1) { return $list; } $middle = count($list)/2; $left = merge_sort(array_slice($list, 0, $middle)); $right = merge_sort(array_slice($list, $middle+1, count($list))); $data = array(); for($x = 0;$x < count($list); $x++){ if($x < count($left)){ $data[$x] = $left[$x]; } if($x >= count($left) && $x < count($right)){ $data[$x] = $right[$x]; } } return $data; } var_dump(merge_sort($data));
Output for git.master, git.master_jit, rfc.property-hooks
array(10) { [0]=> int(8) [1]=> int(4) [2]=> int(1) [3]=> int(9) [4]=> int(5) [5]=> int(7) [6]=> int(3) [7]=> int(2) [8]=> int(6) [9]=> int(0) } array(5) { [0]=> int(8) [1]=> int(4) [2]=> int(1) [3]=> int(9) [4]=> int(5) } Deprecated: Implicit conversion from float 2.5 to int loses precision in /in/3K52p on line 13 array(2) { [0]=> int(8) [1]=> int(4) } array(1) { [0]=> int(8) } array(0) { } Deprecated: Implicit conversion from float 3.5 to int loses precision in /in/3K52p on line 14 array(2) { [0]=> int(9) [1]=> int(5) } array(1) { [0]=> int(9) } array(0) { } array(4) { [0]=> int(3) [1]=> int(2) [2]=> int(6) [3]=> int(0) } array(2) { [0]=> int(3) [1]=> int(2) } array(1) { [0]=> int(3) } array(0) { } array(1) { [0]=> int(0) } array(1) { [0]=> int(8) }

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