tag for the user's avatar
*/
function comicpress_get_avatar( $id_or_email, $size = '64', $alt = false) {
global $comicpress_options;
if ( ! get_option('show_avatars') )
return false;
if ( false === $alt)
$safe_alt = '';
else
$safe_alt = attribute_escape( $alt );
if ( !is_numeric($size) )
$size = '96';
$email = '';
if ( is_numeric($id_or_email) ) {
$id = (int) $id_or_email;
$user = get_userdata($id);
if ( $user )
$email = $user->user_email;
} elseif ( is_object($id_or_email) ) {
if ( isset($id_or_email->comment_type) && '' != $id_or_email->comment_type && 'comment' != $id_or_email->comment_type )
return false; // No avatar for pingbacks or trackbacks
if ( !empty($id_or_email->user_id) ) {
$id = (int) $id_or_email->user_id;
$user = get_userdata($id);
if ( $user)
$email = $user->user_email;
} elseif ( !empty($id_or_email->comment_author_email) ) {
$email = $id_or_email->comment_author_email;
}
} else {
$email = $id_or_email;
}
if ($comicpress_options['avatar_directory'] != 'none' || empty($default)) $default = comicpress_random_default_avatar((string)$id_or_email);
if ( empty($default) ) {
$avatar_default = get_option('avatar_default');
if ( empty($avatar_default) )
$default = 'mystery';
else
$default = $avatar_default;
}
if ( 'mystery' == $default )
$default = "http://www.gravatar.com/avatar/ad516503a11cd5ca435acc9bb6523536?s={$size}"; // ad516503a11cd5ca435acc9bb6523536 == md5('unknown@gravatar.com')
elseif ( 'blank' == $default )
$default = includes_url('images/blank.gif');
elseif ( !empty($email) && 'gravatar_default' == $default )
$default = '';
elseif ( 'gravatar_default' == $default )
$default = "http://www.gravatar.com/avatar/s={$size}";
elseif ( empty($email) )
$default = "http://www.gravatar.com/avatar/?d=$default&s={$size}";
elseif ( strpos($default, 'http://') === 0 )
$default = add_query_arg( 's', $size, $default );
if ( !empty($email) ) {
$out = 'http://www.gravatar.com/avatar/';
$out .= md5( strtolower( $email ) );
$out .= '?s='.$size;
$out .= '&d=' . urlencode( $default );
$rating = get_option('avatar_rating');
if ( !empty( $rating ) )
$out .= "&r={$rating}";
$avatar = "
";
} else {
$avatar = "
";
}
return apply_filters('comicpress_get_avatar', $avatar, $id_or_email, $size, $default, $alt);
}
function comicpress_random_default_avatar($id_or_email = '') {
global $comicpress_options;
$current_avatar_directory = $comicpress_options['avatar_directory'];
if (empty($current_avatar_directory)) $current_avatar_directory = 'default';
if (file_exists(get_stylesheet_directory() . '/images/avatars/' . $current_avatar_directory)) {
$count = count($results = glob(get_stylesheet_directory() . '/images/avatars/'.$current_avatar_directory.'/*'));
$blogurl = get_stylesheet_directory_uri();
} else {
$count = count($results = glob(get_template_directory() . '/images/avatars/'.$current_avatar_directory.'/*'));
$blogurl = get_template_directory_uri();
}
if ($count) {
$default = '';
$checknum = hexdec(substr(md5($id_or_email),0,5)) % $count;
if ($count > 0) {
$default = basename($results[(int)$checknum]);
} else {
return false;
}
return $blogurl.'/images/avatars/'.$current_avatar_directory.'/'.$default;
}
return false;
}
?>