Community Events 3.6 // Remove Specified Categories from Submission Screen for non-admins

gistfile1.php

add_filter( 'tribe_community_events_event_categories', 'hide_category_for_non_admins', 10, 2);

function hide_category_for_non_admins( $categories ) {

	//Array of Category slugs to hide for non-admins
	$categories_to_hide = array( 'concert', 'convention' );

	//If user is not admin
	if( !current_user_can( 'manage_options' ) ) {
		foreach( $categories as $key => $single_cat ) {
			if( in_array( $single_cat->slug, $categories_to_hide ) ) {
				//Remove the item if it exists
				unset( $categories[$key] );
			}
		}
	}

	return $categories;
}