怎樣做頁面HTTP狀態查詢,該如何處理

怎樣做頁面HTTP狀態查詢
怎樣做頁面HTTP狀態查詢
http://tool.chinaz.com/pagestatus/
就像這個一樣的

------解決方案--------------------
讀http頭啊
------解決方案--------------------
var_dump(getallheaders());
------解決方案--------------------

PHP code

function curl_file_get_contents($durl){    $ch = curl_init();    curl_setopt($ch, CURLOPT_URL, $durl);    curl_setopt($ch, CURLOPT_TIMEOUT, 5);    curl_setopt($ch, CURLOPT_HEADER, true);    curl_setopt($ch, CURLOPT_NOBODY, 1);    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);    $r = curl_exec($ch);    //$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);     return $r;}
