WP_Screen::in_admin()
Method: Indicates whether the screen is in a particular admin.
Source: wp-admin/includes/class-wp-screen.php:420
Method: Indicates whether the screen is in a particular admin.
Source: wp-admin/includes/class-wp-screen.php:420
Method: Gets the accessible hidden headings and text used in the screen.
Source: wp-admin/includes/class-wp-screen.php:701
Method: Renders the option for number of columns on the page.
Source: wp-admin/includes/class-wp-screen.php:1192