PHP 8.4 compatibility issue with null args

[tehmaestro]

Hi, with PHP 8.4 having deprecated null parameters for builtin functions like mb_strlen, the following code crashes if a null value is sent:

// Connection.php
        $command = '*' . count($params) . "\r\n";
        foreach ($params as $arg) {
            $command .= '$' . mb_strlen($arg, '8bit') . "\r\n" . $arg . "\r\n";
        }

I assume we should continue accepting null values and just check for mb_strlen($arg ?? '', '8bit')
What do you think?

[samdark]

@okFduCi8nl6bRz can you do a pull request?

[samdark]

This solution looks alright. @tehmaestro have time to get it into a pull request and add CHANGELOG?