get custom post type data in wordpress code example

Example 1: get name custom post type wordpress

$pt = get_post_type_object( 'books' );

// These two usually contain the post type name in plural. 
// They may differ though.
echo $pt->label;
echo $pt->labels->name;

// This one holds the post type name in singular.
echo $pt->labels->singular_name;

Example 2: wordpress create new post type

/*
- The function you want for creating a custom wordpress post type is 
register_post_type()
- https://developer.wordpress.org/reference/functions/register_post_type/
- To add more meta boxes to the post type search for the support items in the 
above link.
- Below is a basic implementation of the function to register video post type
*/
register_post_type( 'video',
  array(
    'labels' => array(
      'name' => 'Videos',
      'singular_name' => 'Video'
    ),
    'public' => true,
    'has_archive' => true,
    'rewrite' => array(
      'slug' => 'videos'
    ),
    'exclude_from_search'=> true
    ,
    'supports' => array(
      'title','editor','thumbnail'
    )
  )
);