* For example: The string for shorthand notation of '2M' (which is 2,097,152 Bytes) is converted to 2097152
* @see https://www.php.net/manual/en/faq.using.php#faq.using.shorthandbytes
* @param string $shorthand
* For example: The string for shorthand notation of '2M' (which is 2,097,152 Bytes) is converted to 2097152
* @see https://www.php.net/manual/en/faq.using.php#faq.using.shorthandbytes
* @param string $shorthand