curl_setopt($info,CURLOPT_URL,$url);
$output = curl_exec($info);
curl_close($info);
return $output;
}
//去掉域名地址http(s)协议
function urls($url){
$dr = [];
preg_match("/^(http:\/\/|https:\/\/)?([^\/]+)/i",$url,$dr);
return $dr[2];
// preg_match('/^http(s)?:\/\/(.*)\//U',$url,$url);
// $value = str_replace(array('http://','https://','/'),"",$url[2]);
// return $value;
}
// 获取文章内容第一张图片
function conimg($content)
{
$pattern="/<[img|IMG].*?src=[\'|\"](.*?(?:[\.gif|\.jpg|\.png]))[\'|\"].*?[\/]?>/";
preg_match_all($pattern, $content, $matchContent);