<?php 
/**
* Get either a Gravatar URL or complete image tag for a specified email address.
*
* @param string $email The email address
* @param string $s Size in pixels, defaults to 80px [ 1 - 2048 ]
* @param string $d Default imageset to use [ 404 | mm | identicon | monsterid | wavatar ]
* @param string $r Maximum rating (inclusive) [ g | pg | r | x ]
* @param boole $img True to return a complete IMG tag False for just the URL
* @param array $atts Optional, additional key/value attributes to include in the IMG tag
* @return String containing either just a URL or a complete image tag
* @source http://gravatar.com/site/implement/images/php/
*/
function get_gravatar( $email, $s = 80, $d = 'mm', $r = 'g', $img = false, $atts = array() ) {
$url = 'http://www.gravatar.com/avatar/';
$url .= md5( strtolower( trim( $email ) ) );
$url .= "?s=$s&d=$d&r=$r";
if ( $img ) {
$url = '<img src="' . $url . '"';
foreach ( $atts as $key => $val )
$url .= ' ' . $key . '="' . $val . '"';
$url .= ' />';
}
return $url;
}
 
// Example function call
echo get_gravatar( [email protected]', $s = 200, $d = 'mm', $r = 'g', $img = true, $atts = array("title"=>"My title","alt"=>"My alt tag") );
?>