funkce

// Strip Input Function, prevents HTML in unwanted places
function stripinput($text) {
   if (QUOTES_GPC) $text = stripslashes($text);
   $search = array("&", "\"", "'", "\\", '\"', "\'", "<", ">", "&nbsp;");
   $replace = array("&amp;", "&quot;", "'", "\", "&quot;", "'", "&lt;", "&gt;", " ");
   $text = str_replace($search, $replace, $text);
   return $text;
}

// stripslash function, only stripslashes if magic_quotes_gpc is on
function stripslash($text) {
   if (QUOTES_GPC) { $text = stripslashes($text); }
   return $text;
}

// stripslash function, add correct number of slashes depending on quotes_gpc
function addslash($text) {
   if (!QUOTES_GPC) {
      $text = addslashes(addslashes($text));
   } else {
      $text = addslashes($text);
   }
   return $text;
}

// htmlentities is too agressive so we use this function
function phpentities($text) {
   $search = array("&", "\"", "'", "\\", "<", ">");
   $replace = array("&amp;", "&quot;", "'", "\", "&lt;", "&gt;");
   $text = str_replace($search, $replace, $text);
   return $text;
}