<?php 
$slurl = 'https://www.bingdou.com.cn'; 
$ch = curl_init(); 
$timeout = 10; 
curl_setopt ($ch, CURLOPT_URL, $slurl); 
curl_setopt($ch, CURLOPT_HEADER, 1); 
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1); 
curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout); 
$contents = curl_exec($ch); 
if(false == $contents){?>无法访问
<?php }else{?>可以访问
<?php }?>

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