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How can one troubleshoot and resolve timeout issues when attempting to open a Telnet connection in PHP?

To troubleshoot and resolve timeout issues when attempting to open a Telnet connection in PHP, you can adjust the timeout settings using the `stream_set_timeout` function. By setting a longer timeout value, you can allow more time for the connection to be established before timing out.

php 
// Set longer timeout value for opening Telnet connection
$connection = fsockopen('example.com', 23, $errno, $errstr, 30); // 30-second timeout
if (!$connection) {
    die("Error: $errstr ($errno)");
}

// Set custom timeout value for the connection
stream_set_timeout($connection, 60); // 60-second timeout

// Perform Telnet operations here

// Close the connection
fclose($connection);

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