socket_addrinfo_connect

Function name: socket_addrinfo_connect()

Applicable version: PHP 5.3.0 and above

Function Description: The socket_addrinfo_connect() function uses the given addrinfo structure to connect to the specified host and port.

Usage: socket_addrinfo_connect(resource $socket, array $addrinfo)

parameter:

• $socket: A valid socket resource created using socket_create().
• $addrinfo: an array containing addrinfo information, which can be obtained through the socket_addrinfo_lookup() function.

Return value:

• Returns true when successful, and false when connection fails.

Example:

AF_UNSPEC, 'socktype' => SOCK_STREAM)); // Connect to the remote host if (socket_addrinfo_connect($socket, $addrinfo)) { echo "Successfully connected to the remote host!"; } else { echo "Connect failed!"; } // Close the socket socket_close($socket); ?>

In the example above, a socket resource $socket is first created using socket_create(). Then, the socket_addrinfo_lookup() function is used to find the addrinfo information of the remote host " www.example.com " and save the result in the $addrinfo array. Finally, use the socket_addrinfo_connect() function to connect to the remote host. If the connection is successful, the output is "Successfully connected to the remote host!", otherwise the output is "Connect failed!". Finally, close the socket using the socket_close() function.

Note that this example is for demonstration purposes only and may require the addition of error handling and appropriate parameter checks when actually using it.