Example sharing of PHP using curl to detect whether a web page is included in Baidu_PHP Tutorial

$curl=curl_init();
curl_setopt($curl,CURLOPT_URL,$url);
curl_setopt($curl,CURLOPT_RETURNTRANSFER,1);
$rs=curl_exec($curl);
curl_close($curl);

$arr=parse_url($url);

if(strpos($arr['query'],'http://')){
$arr['query']=str_replace('http://','',str_replace(' wd=','',$arr['query']));
}else{
$arr['query']=str_replace('wd=','',$arr['query' ]);
}

if(strpos($arr['query'],'?')){
$str=strstr($arr['query'],'?');
$arr['query ']=str_replace($str,'',$arr['query']);
}

if(strpos($arr['query'],'/')){
$narr=explode('/',$arr['query']);
$arr['query ']=$narr[0];
}

if(strpos($rs,''.$arr['query'].'')){
return 1;
}else{
return 0;
}
}

echo checkBaidu('http://www.jb51.net/');
?>