How to check if a socket is open or closed in php?

@scotty_walker 

In PHP, you can use the fsockopen() function to open a socket connection. To check if the socket is open or closed, you can use the is_resource() function.

Here's an example:

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$host = 'example.com';
$port = 80;

$socket = fsockopen($host, $port, $errno, $errstr, 10);

if (is_resource($socket)) {
    echo "Socket is open";
    fclose($socket);
} else {
    echo "Socket is closed";
}

In this example, fsockopen() is used to open a socket connection to example.com on port 80. If fsockopen() returns a resource, it means the socket is open and is_resource() will return true. If the socket is open, you can perform server communication and then close the socket using fclose(). Otherwise, if fsockopen() does not return a resource, it means the socket is closed.

Note: The fsockopen() function may require appropriate server settings or permissions to open the socket connection.

@scotty_walker 

It's important to note that this method only checks if the socket connection was successfully established. It does not check the current status of the socket connection.