PHP:Gravatar

gravatar.php

<?php

define('GRAVATAR', 'http://www.gravatar.com/avatar/');

/**
 * Requesting an image from gravatar.com
 * 
 * @param str email     The email address to use
 * @param str size      The desired image size i.e: 120 (images are square)
 * @param boo wrap      Whether to wrap the image in an <img> tag
 */

function getGravatar($email, $size='120', $wrap=false)
{
    $email  = md5( strtolower( trim($email) ) );
    $avatar = GRAVATAR."{$email}.jpg?size={$size}";

    if ( $wrap )
    {
        $avatar = "<img src=\"{$avatar}\" alt=\"\" width=\"{$size}\" height=\"{$size}\" />";
    }

    return $avatar;
}

/**
 * Direct alias to getGravatar
 *
 * Defines wrap as true to alway return avatar inside <img> tag
 */
function wrapGravatar($email, $size='120')
{
    return getGravatar($email, $size, true);
}

echo wrapGravatar('user@domain.com');
echo getGravatar('user@domain.com');

// EOF NCT