PHP过滤post,get敏感数据

//php 批量过滤post,get敏感数据 if (get_magic_quotes_gpc()) {$_GET = stripslashes_array($_GET);$_POST = stripslashes_array($_POST);}function stripslashes_array(&$array) {while(list($key,$var) = each($array)) {if ($key != 'argc' && $key != 'argv' && (strtoupper($key) != $key || ''.intval($key) == "$key")) {if (is_string($var)) {$array[$key] = stripslashes($var);}if (is_array($var))  {$array[$key] = stripslashes_array($var);}}}return $array;}         //--------------------------// 替换HTML尾标签,为过滤服务//--------------------------function lib_replace_end_tag($str){if (empty($str)) return false;$str = htmlspecialchars($str);$str = str_replace( '/', "", $str);$str = str_replace("//", "", $str);$str = str_replace(">", "", $str);$str = str_replace("<", "", $str);$str = str_replace("<SCRIPT>", "", $str);$str = str_replace("</SCRIPT>", "", $str);$str = str_replace("<script>", "", $str);$str = str_replace("</script>", "", $str);$str=str_replace("select","select",$str);$str=str_replace("join","join",$str);$str=str_replace("union","union",$str);$str=str_replace("where","where",$str);$str=str_replace("insert","insert",$str);$str=str_replace("delete","delete",$str);$str=str_replace("update","update",$str);$str=str_replace("like","like",$str);$str=str_replace("drop","drop",$str);$str=str_replace("create","create",$str);$str=str_replace("modify","modify",$str);$str=str_replace("rename","rename",$str);$str=str_replace("alter","alter",$str);$str=str_replace("cas","cast",$str);$str=str_replace("&","&",$str);$str=str_replace(">",">",$str);$str=str_replace("<","<",$str);$str=str_replace(" ",chr(32),$str);$str=str_replace(" ",chr(9),$str);$str=str_replace("    ",chr(9),$str);$str=str_replace("&",chr(34),$str);$str=str_replace("'",chr(39),$str);$str=str_replace("<br />",chr(13),$str);$str=str_replace("''","'",$str);$str=str_replace("css","'",$str);$str=str_replace("CSS","'",$str);return $str;}