// ; Whether to allow the treatment of URLs (like http:// or ftp://) as files. // ; http://php.net/allow-url-fopen // allow_url_fopen = On //前三个都需要开启 allow_url_fopen //1、file_get_contents()/////////////////////// $file = file_get_contents("http://www.baidu.com"); //2、fopen()/////////////////// $file2 = fopen("http://www.baidu.com","r"); while(!feof($file2)){ $file2_content .= fgets($file2); } //3、file()//////////////////////////////////////////// $file3 = file("http://www.baidu.com"); //4、fsockopen()////////////////////////////////////////// //print_r(stream_get_transports());//获取已注册的套接字传输协议列表 $fp = fsockopen("www.cnblogs.com", 80, $errno, $errstr, 30); if (!$fp) { echo "$errstr ($errno) "; } else { $out = "GET / HTTP/1.1 "; $out .= "Host: www.cnblogs.com.com "; $out .= "Connection: Close "; fwrite($fp, $out); while (!feof($fp)) { echo fgets($fp, 128); } fclose($fp); }