php校验

//校验
function filters($grams){
    if(get_magic_quotes_gpc()) {
       $resgram = trim($grams);
       $resgram = htmlspecialchars($resgram);
   } else {
       $resgram = addslashes(trim($grams));
       $resgram = htmlspecialchars($resgram);
   }
   return $resgram;
}