Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP fsockopen() Function.
The built-in fsockopen() function is used for opening the internet or Unix domain socket connections.
The built-in fsockopen() function is used for opening the internet or Unix domain socket connections.
Syntax
Following below is the syntax to use this function -
resource fsockopen ( string $hostname [, int $port = -1 [, int &$errno [, string &$errstr [, float $timeout = ini_get("default_socket_timeout") ]]]] )
Parameter Details
Sr.No | Parameters & Description |
---|---|
1 | hostname ssl:// or tls:// are works over on TCP/IP to connect to the remote host. |
2 | port The port number. This can be omitted and skipped with -1 for transports that do not use ports, such as unix://. |
3 | errno It Provides the system level error number |
4 | errstr The Error message as a string |
5 | timeout The Connection time Out |
Return Value
This built-in function returns a file pointer which may be used together with other file functions. If the call fails, it returns FALSE.
Example
Try out the following example below -
<?php $connection = fsockopen("www.webdesigntutorialz.com", 80, $errno, $errstr, 30); if (!$connection) { echo "$errstr ($errno) \n"; }else { $out = "GET / HTTP/1.1\r\n"; $out .= "Host: www.webdesigntutorialz.com\r\n"; $out .= "Connection: Close\r\n\r\n"; fwrite($connection, $out); while (!feof($connection)) { echo fgets($connection, 128); } fclose($connection); } ?>
Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we will study about the PHP gethostbyaddr() Function.
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