<!-- Collection of code snippets by Arne Vajhøj -->
<!-- (likely posted to comp.os.vms/INFO-VAX, INFO-TPU, MACRO32, eksperten.dk, newz.dk, LinkedIn or other place sometime between 1990 and now) -->
<?php

function four_ops($a, $b) {
    return array('plus' => $a + $b, 'minus' => $a - $b, 'multiply' => $a * $b, 'divide' => $a / $b);
}

$a = 3.0;
$b = 2.0;
$res = four_ops($a, $b);
echo sprintf("%f + %f = %f\r\n", $a, $b, $res['plus']);
echo sprintf("%f - %f = %f\r\n", $a, $b, $res['minus']);
echo sprintf("%f * %f = %f\r\n", $a, $b, $res['multiply']);
echo sprintf("%f / %f = %f\r\n", $a, $b, $res['divide']);

?>