This is shortcode is used to register custom post types with more control then post_types.add shortcode.
It allows us to register custom post types for WordPress. It is a shorter alternative for more detailed register.post
This shortcode is available from version 1.3.5 onwards.
This is used to register the UI service blocks as
It will allow you to quickly register metaboxes
Echo difference from start. set microtime in Global variables as time_end and calculate difference
It returns: echo out the time