PHP cURL初始化和执行方法入门级代码

这个是采集基础，最好熟悉一下
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									$ch = curl_init();

									# 设定url和把结果返回，是否返回头部

									curl_setopt($ch, CURLOPT_URL, 'http://www.baidu.com/');

									curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

									curl_setopt($this->ch, CURLOPT_HEADER, 1);

									# cookie文件设定

									curl_setopt($this->ch, CURLOPT_COOKIEJAR, $cookie_file);

									curl_setopt($this->ch, CURLOPT_COOKIEFILE, $cookie_file);

									# 额外头部

									curl_setopt($this->ch, CURLOPT_HTTPHEADER, array('User-Agent: Mozilla/5.0'));

									# 设定post

									curl_setopt($ch, CURLOPT_POST, 1);

									curl_setopt($ch, CURLOPT_POSTFIELDS, $poststring);

									# 连接、执行过期时间

									curl_setopt($this->ch, CURLOPT_CONNECTTIMEOUT, 5);

									curl_setopt($this->ch, CURLOPT_TIMEOUT, 30);

									# 是否跟随301 302

									curl_setopt($this->ch, CURLOPT_FOLLOWLOCATION, 1);

									curl_setopt($this->ch, CURLOPT_MAXREDIRS, 10);

									# refer

									curl_setopt($this->ch, CURLOPT_REFERER, $refer);

									# http版本和端口重用设置

									curl_setopt($this->ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);

									curl_setopt($this->ch, CURLOPT_FORBID_REUSE, 1);

									# 支持https

									curl_setopt($this->ch, CURLOPT_SSL_VERIFYPEER, 0);

									curl_setopt($this->ch, CURLOPT_SSL_VERIFYHOST, 0);

									# 如果需要进行毫秒超时，需要增加：

									curl_setopt($this->ch, CURLOPT_NOSIGNAL, 1);

									# 执行

									$response = curl_exec($ch);

									if(curl_errno($ch)){

									  curl_error($ch);

									  exit();

									}

									curl_close($ch);
PHP cURL初始化和执行方法入门级代码

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