Convert HEX to RGB

hex2rgb.php

<?php

function hex2rgb($colour)
{
    if ($colour[0] == '#') {
        $colour = substr($colour, 1);
    }

    if (strlen($colour) == 6) {
        list($r, $g, $b) = array(
            $colour[0] . $colour[1],
            $colour[2] . $colour[3],
            $colour[4] . $colour[5]
        );
    } elseif (strlen($colour) == 3) {
        list($r, $g, $b) = array(
            $colour[0] . $colour[0],
            $colour[1] . $colour[1],
            $colour[2] . $colour[2]
        );
    } else {
        return false;
    }

    $r = hexdec($r);
    $g = hexdec($g);
    $b = hexdec($b);

    return array(
        'red' => $r,
        'green' => $g,
        'blue' => $b
    );
}