project custom taxonomy

Used for project manager

// Register Custom Taxonomy
function register_project_tax() {

	$labels = array(
		'name'                       => _x( 'Projects', 'Taxonomy General Name', 'text_domain' ),
		'singular_name'              => _x( 'Project', 'Taxonomy Singular Name', 'text_domain' ),
		'menu_name'                  => __( 'Project', 'text_domain' ),
		'all_items'                  => __( 'All projects', 'text_domain' ),
		'parent_item'                => __( 'Parent projects', 'text_domain' ),
		'parent_item_colon'          => __( 'Parent project:', 'text_domain' ),
		'new_item_name'              => __( 'New project Name', 'text_domain' ),
		'add_new_item'               => __( 'Add New project', 'text_domain' ),
		'edit_item'                  => __( 'Edit project', 'text_domain' ),
		'update_item'                => __( 'Update project', 'text_domain' ),
		'separate_items_with_commas' => __( 'Separate projects with commas', 'text_domain' ),
		'search_items'               => __( 'Search projects', 'text_domain' ),
		'add_or_remove_items'        => __( 'Add or remove projects', 'text_domain' ),
		'choose_from_most_used'      => __( 'Choose from the most used projects', 'text_domain' ),
		'not_found'                  => __( 'Not Found', 'text_domain' ),
	);
	$args = array(
		'labels'                     => $labels,
		'hierarchical'               => true,
		'public'                     => true,
		'show_ui'                    => true,
		'show_admin_column'          => true,
		'show_in_nav_menus'          => true,
		'show_tagcloud'              => true,
	);
	register_taxonomy( 'pro_tax', 'custom_post_type', $args );

}

// Hook into the 'init' action
add_action( 'init', 'register_project_tax', 0 );