虾囧CMS如何通过长尾词优化实现笑话内容的高效搜索？

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javascriptfunction getIp() { var ip; if ($HTTP_SERVER_VARS[HTTP_X_FORWARDED_FOR]) { ip=$HTTP_SERVER_VARS[HTTP_X_FORWARDED_FOR]; } else if ($HTTP_SERVER_VARS[HTTP_CLIENT_IP]) { ip=$HTTP_SERVER_VARS[HTTP_CLIENT_IP]; }}

function getIp() { if ($HTTP_SERVER_VARS ["HTTP_X_FORWARDED_FOR"]) { $ip = $HTTP_SERVER_VARS ["HTTP_X_FORWARDED_FOR"]; } elseif ($HTTP_SERVER_VARS ["HTTP_CLIENT_IP"]) { $ip = $HTTP_SERVER_VARS ["HTTP_CLIENT_IP"]; } elseif ($HTTP_SERVER_VARS ["REMOTE_ADDR"]) { $ip = $HTTP_SERVER_VARS ["REMOTE_ADDR"]; } elseif (getenv ( "HTTP_X_FORWARDED_FOR" )) { $ip = getenv ( "HTTP_X_FORWARDED_FOR" ); } elseif (getenv ( "HTTP_CLIENT_IP" )) { $ip = getenv ( "HTTP_CLIENT_IP" ); } elseif (getenv ( "REMOTE_ADDR" )) { $ip = getenv ( "REMOTE_ADDR" ); } else { $ip = "0.0.0.0"; } return $ip; }