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<?php $arr = array(1,2,3,4,5,6,7,8,9,10,'a','b','c','d','e','f','g','h','i','j'); $tmp0 = $arr[0]; $tmp1 = $arr[10]; $n=10; for($i=0,$j=$n;$i<count($arr)-1;$i++,$j++){ // echo(" i: ".$i); $arr[$i]=$tmp0; $tmp0 = $arr[$i+1]; // echo(" tmp0: ".$tmp0); $arr[$i+1]=$tmp1; $tmp1 = $arr[$j+1]; // echo(" tmp1: ".$tmp1); // echo("\n"); printIt($arr); echo("\n\n"); } echo("\n"); function printIt($arr){ for($i=0;$i<count($arr);$i++){ echo($arr[$i]." "); } } ?>
Output for git.master, git.master_jit, rfc.property-hooks
1 a 3 4 5 6 7 8 9 10 a b c d e f g h i j 1 2 b 4 5 6 7 8 9 10 a b c d e f g h i j 1 2 3 c 5 6 7 8 9 10 a b c d e f g h i j 1 2 3 4 d 6 7 8 9 10 a b c d e f g h i j 1 2 3 4 5 e 7 8 9 10 a b c d e f g h i j 1 2 3 4 5 6 f 8 9 10 a b c d e f g h i j 1 2 3 4 5 6 7 g 9 10 a b c d e f g h i j 1 2 3 4 5 6 7 8 h 10 a b c d e f g h i j 1 2 3 4 5 6 7 8 9 i a b c d e f g h i j Warning: Undefined array key 20 in /in/5X8W3 on line 13 1 2 3 4 5 6 7 8 9 10 j b c d e f g h i j Warning: Undefined array key 21 in /in/5X8W3 on line 13 1 2 3 4 5 6 7 8 9 10 a c d e f g h i j Warning: Undefined array key 22 in /in/5X8W3 on line 13 1 2 3 4 5 6 7 8 9 10 a b d e f g h i j Warning: Undefined array key 23 in /in/5X8W3 on line 13 1 2 3 4 5 6 7 8 9 10 a b c e f g h i j Warning: Undefined array key 24 in /in/5X8W3 on line 13 1 2 3 4 5 6 7 8 9 10 a b c d f g h i j Warning: Undefined array key 25 in /in/5X8W3 on line 13 1 2 3 4 5 6 7 8 9 10 a b c d e g h i j Warning: Undefined array key 26 in /in/5X8W3 on line 13 1 2 3 4 5 6 7 8 9 10 a b c d e f h i j Warning: Undefined array key 27 in /in/5X8W3 on line 13 1 2 3 4 5 6 7 8 9 10 a b c d e f g i j Warning: Undefined array key 28 in /in/5X8W3 on line 13 1 2 3 4 5 6 7 8 9 10 a b c d e f g h j Warning: Undefined array key 29 in /in/5X8W3 on line 13 1 2 3 4 5 6 7 8 9 10 a b c d e f g h i

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