PHP 7 fsockopen() Function
Example
fsockopen() example:
<?php
$fp = fsockopen("www.w3schools.com", 80, $errno, $errstr, 20);
if (!$fp) {
echo "$errstr ($errno)<br>";
} else {
$out = "GET /
HTTP/1.1\r\n";
$out .= "Host: www.w3schools.com\r\n";
$out
.= "Connection: Close\r\n\r\n";
fwrite($fp, $out);
while
(!feof($fp)) {
echo fgets($fp, 128);
}
fclose($fp);
}
?>
Definition and Usage
The fsockopen() function opens an Internet or Unix domain socket connection.
Syntax
fsockopen(hostname, port, errno, errstr, timeout)
| Parameter | Description |
|---|---|
| hostname | Required. Specifies a hostname (like "www.w3schools.com"). ssl:// or tls:// works over TCP/IP to connect to the remote host |
| port | Optional. Specifies the port number. Use -1 for transports that do not use ports, like unix:// |
| errno | Optional. Specifies the system level error number |
| errstr | Optional. Specifies the error message as a string |
| timeout | Optional. Specifies the connection timeout (in seconds) |
Technical Details
| Return Value: | A file pointer that can be used with other file functions (such as fgets(), fwrite(), fclose()). FALSE on failure. |
|---|---|
| PHP Version: | 4.0+ |
❮ PHP Network Reference
