/**
 * 递归函数
 *
 * @param 
 * @arrange (512.笔记) jb51.cc
 **/
function get_scat_url($temp_catid) { 
    static $url; 
    global $site_id=5; 
    if ($temp_catid != 0) { 
        $temp_sql=db_query("select sm_cat_id,sm_cat_pcat_id,sm_cat_url,sm_cat_parentid from sitemap_category  where sm_cat_id ='". $temp_catid . "' and sm_domain_id ='". $site_id . "'"); 
        if (db_num_rows($temp_sql) > 0) { 
             $rec_set = db_fetch_array($temp_sql); 
             $url = $rec_set['sm_cat_url']. " : " . $url; 
             $temp_catid = $rec_set['sm_cat_parentid']; 
             get_scat_url($temp_catid); 
        } 
    }    //first if statement 
    return $url; 
} 


//incorrect recursive call in PHP program 
function get_scat_url($temp_catid){ 
    //global $url; 
    $site_id=5; 
    while($temp_catid != 0)  { 
        $temp_sql=db_query("select sm_cat_id,sm_cat_parentid from sitemap_category  where sm_cat_id ='". $temp_catid . "' and sm_domain_id ='". $site_id . "'"); 
        if (db_num_rows($temp_sql) > 0){ 
            $rec_set = db_fetch_array($temp_sql); 
            $url = $rec_set['sm_cat_url']. " : " . $url; 
            $temp_catid = $rec_set['sm_cat_parentid']; 
            get_scat_url($temp_catid); 
        } 
    }    //while ends here... 
    return $url; 
} 


/***   代码来自编程之家 jb51.cc（jb51.cc）   ***/