Function definition with returning array value - PHP

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PHP Code

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<?php
function callmeforarray($a,$b)
{
$addition = $a + $b;
$minus = $a - $b;
$multiplication = $a * $b;
$division = $a / $b;
$modulus = $a % $b;

$returnvalue['sum'] = $addition."<br/>";
$returnvalue['min'] = $minus."<br/>";
$returnvalue['mul'] = $multiplication."<br/>";
$returnvalue['div'] = $division."<br/>";
$returnvalue['mod'] = $modulus."<br/>";

return $returnvalue;
}

echo "<hr/>";

$result = callmeforarray(30,5);
echo "Sum is : ". $result['sum'];
echo "Min is : ". $result['min'];
echo "mul is : ". $result['mul'];
echo "div is : ". $result['div'];
echo "mod is : ". $result['mod'];

$result = callmeforarray(34,2);

echo "Sum is : ". $result['sum'];
echo "Min is : ". $result['min'];
echo "mul is : ". $result['mul'];
echo "div is : ". $result['div'];
echo "mod is : ". $result['mod'];
echo "<hr/>";
?>

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Output of the  Code

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Sum is : 35

Min is : 25

mul is : 150

div is : 6

mod is : 0

Sum is : 36

Min is : 32

mul is : 68

div is : 17

mod is : 0