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<?php function array_swap(&$input, $num) { $tmp = $input[0]; $input[0] = $input[$num]; return $input[$num] = $tmp; } $input = [4, 5, 8, 9, 1, 7, 2]; function xsort($oldArray) { $newArray = array(); foreach($oldArray as $arr){ $newArray[] = array_swap($oldArray, $arr); } return $newArray; } var_dump(xsort($input));
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key 8 in /in/ZtrIL on line 6 Warning: Undefined array key 9 in /in/ZtrIL on line 6 Warning: Undefined array key 7 in /in/ZtrIL on line 6 array(7) { [0]=> int(4) [1]=> int(1) [2]=> int(7) [3]=> NULL [4]=> NULL [5]=> int(5) [6]=> NULL }

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