Online PHP editor | output for QBu7i

@ 2014-05-01T00:20:08Z

<?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)-2;$i+=2,$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");

for($i=0;$i<count($arr);$i++){
	echo($arr[$i]."  ");
}
?>

Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: i: 0 tmp0: 2 tmp1: b i: 2 tmp0: 4 tmp1: c i: 4 tmp0: 6 tmp1: d i: 6 tmp0: 8 tmp1: e i: 8 tmp0: 10 tmp1: f i: 10 tmp0: b tmp1: g i: 12 tmp0: d tmp1: h i: 14 tmp0: f tmp1: i i: 16 tmp0: h tmp1: j 1 a 2 b 4 c 6 d 8 e 10 f b g d h f i i j

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