By using PHP to work with the very popular SQL column type DateTime, it is possible to format a timestamp in any configuration. PHP quickly and easily enables a simple, robust and handy function to represent DateTime in any format you see fit.
PHP’s time() uses Unix timestamps for its date functionality, but contains functions to convert any other timestamp into the exact date formatting (text or otherwise) you are looking to accomplish. This includes working with SQL’s popular DateTime format.
As mentioned PHP uses Unix Epoch time, or POSIX time, it is a system for describing points in time. It is the amount of seconds between January 1st 1970 00:00:00 (Unix Epoch) and the present time, to the closest second. It is widely used not only on Unix operating systems, but in many other computing systems including PHP and the Java programming language. PHP’s own time() uses Unix epoch time. This makes it necessary to convert DateTime into a format PHP is comfortable working with.