r-a-y

<?php
function bb_bp_avatar($avatar, $id_or_email, $size, $default, $alt) {

    $class = 'photo avatar avatar-'. $size;

    $author_id = get_post_author_id();

    $avatar_folder_url = '/wp-content/uploads/avatars/'. $author_id;

    $avatar_folder_dir = $_SERVER['DOCUMENT_ROOT'] . $avatar_folder_url;

    $avatar_name = ( 'full' == $type ) ? '-bpfull' : '-bpthumb';
    $legacy_user_avatar_name = ( 'full' == $type ) ? '-avatar2' : '-avatar1';

    if ( file_exists( $avatar_folder_dir ) ) {
        if ( $av_dir = opendir( $avatar_folder_dir ) ) {
            while ( false !== ( $avatar_file = readdir($av_dir) ) ) {
                if ( preg_match( "/{$avatar_name}/", $avatar_file ) || preg_match( "/{$legacy_user_avatar_name}/", $avatar_file ) )
                    $avatar_url = $avatar_folder_url . '/' . $avatar_file;
            }
        }
        closedir($av_dir);

        if ( $avatar_url )
            return "<img src='{$avatar_url}' alt='{$alt}' class='{$class}' width='{$size}' height='{$size}' />";
    }

    return $avatar;
}
add_filter( 'bb_get_avatar', 'bb_bp_avatar', 1, 5 );
?>