php fsockopen

1.PHP fsockopen函数说明：

Open Internet or Unix domain socket connection（打开套接字链接）

Initiates a socket connection to the resource specified by target .

fsockopen() returns a file pointer which may be used together with the other file functions (such as fgets() , fgetss() , fwrite() , fclose() , and feof() ).就是返回一个文件句柄

开启PHP fsockopen这个函数

PHP fsockopen需要 PHP.ini 中 allow_url_fopen 选项开启

$fp = fsockopen("www.example.com",

80, $errno, $errstr, 30);

if (!$fp) {

echo "$errstr ($errno)<br />\n";

} else {

$out = "GET / HTTP/1.1\r\n";

$out .= "Host: www.example.com\r\n";

$out .= "Connection: Close\r\n\r\n";

fwrite($fp, $out);

while (!feof($fp)) {

echo fgets($fp, 128);

}

fclose($fp);

}