Passing Arguments and Returning Values by Reference : Return Value « Functions « PHP






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Passing Arguments and Returning Values by Reference

 
<?php
function add2(&$number) {
    $number += 2;
    return $number;
}

$mynum = 5;
$output = add2($mynum);

$output++;
echo "<p>output = {$output}, mynum = {$mynum}</p>\n";

function &initialize() {
    $new = array_fill(0, 10, array_fill(0, 10, 0));
    return $new;
}

$newarray =& initialize();
echo print_r($newarray, true);
?>








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