php curl 获取状态码

<?php 
ini_set('display_errors','1'); 
ini_set('display_startup_errors','1'); 
//error_reporting(E_ALL); 
error_reporting(E_ALL ^ E_NOTICE); 
set_time_limit(60); 
mb_internal_encoding("UTF-8"); 
mb_regex_encoding("UTF-8"); 
date_default_timezone_set('PRC'); 
 
$curlHandle = curl_init(); 
curl_setopt($curlHandle, CURLOPT_RETURNTRANSFER,true); 
curl_setopt($curlHandle, CURLOPT_TIMEOUT, 20); 
curl_setopt($curlHandle, CURLOPT_URL, 'http://www.163.com'); 
curl_setopt($curlHandle, CURLOPT_HEADER, 1); 
$strRet = curl_exec($curlHandle); 
if ($strRet === false) {    /* 失败或超时 */ 
    die('false'); 
} else { 
    $status = curl_getinfo($curlHandle, CURLINFO_HTTP_CODE); 
} 
curl_close($curlHandle); 
echo $status; 
?>