<?php
    function community_thread_valid($_title, $_body)
    {
        if (!$_title)
            return 'Your message must have a subject';        
        if (strlen($_title) > COMMUNITY_THREAD_TITLE_MAX)
            return 'Your subject cannot be more than '.COMMUNITY_THREAD_TITLE_MAX.' characters long';        

        if (!$_body)
            return 'Your message must have a body';    
        if (strlen($_body) > COMMUNITY_THREAD_BODY_MAX)
            return 'Your message cannot be more than '.COMMUNITY_THREAD_BODY_MAX.' characters long';    
                
        return null;
    }

?>