Registering Multiple Taxonomies

taxonomies.php

<?php
/**
 * Taxonomies
 *
 * This file registers any custom taxonomies
 *
 * @package      WPS_Starter_Genesis_Child
 * @author       Travis Smith <travis@wpsmith.net>
 * @copyright    Copyright (c) 2012, Travis Smith
 * @license      http://opensource.org/licenses/gpl-2.0.php GNU Public License
 * @since        1.0.0
 */

/**
 * Create Taxonomies
 *
 * @link http://codex.wordpress.org/Function_Reference/register_taxonomy
 *
 */

function wps_create_taxonomies() {

	$taxonomies = array(
		'Department'      => array ( 'post_types' => array( 'wps_employee' ) ),
		'Skills'      => array ( 
			'post_types' => array( 'wps_employee' ),
			'hierarchical' => false,
			),
	);
	
	foreach ( $taxonomies as $title => $args ) {
		wps_register_taxonomy( $title , $args );
	}
	
}
add_action( 'init', 'wps_create_taxonomies' );

/**
 * Registers a taxonomy with default values which can be overridden as needed.
 *
 * @author Travis Smith
 *
 * @uses sanitize_title() WordPress function that formats text for use as a slug
 * @uses wp_parse_args() WordPress function that merges two arrays and parses the values to override defaults
 * @uses register_taxonomy() WordPress function for registering a new taxonomy
 *
 * @param string $title title of the taxonomy. This will be automatically converted for plural and slug use
 * @param array $args overrides the defaults
 */
function wps_register_taxonomy( $title, $args = array() , $prefix = 'wps_' ) {
 
    $sanitizedTitle = sanitize_title( $title );
	$plural_title = isset( $args['plural_title'] ) ? $args['plural_title'] : '';
	unset ( $args['plural_title'] );
 
    $defaults = array(
		'hierarchical' => true,
		'labels' => wps_taxonomy_labels( $title , $plural_title ),
		'show_ui' => true,
		'public' => true,
		'query_var' => true,
		'rewrite' => array( 'slug' => $sanitizedTitle ),
	);
 
    $args = wp_parse_args( $args, $defaults );
 
    $taxonomy = isset( $args['taxonomy'] ) ? $args['taxonomy'] : $prefix . $sanitizedTitle;
	$post_types = isset( $args['post_types'] ) ? $args['post_types'] : array();
 
    register_taxonomy( $taxonomy , $post_types , $args );
 
}

// A helper function for generating the labels (taxonomy)
function wps_taxonomy_labels( $singular, $plural = '' ) {
    if( $plural == '') $plural = $singular .'s';
  
    return array(
        'name' => __( $plural, CHILD_DOMAIN ),
        'singular_name' => __( $singular, CHILD_DOMAIN ),
		'search_items' => __( 'Search '. $plural , CHILD_DOMAIN ),
		'all_items' => __( 'All '. $plural , CHILD_DOMAIN ),
		'parent_item' => 'Parent ' . $singular,
		'parent_item_colon' => 'Parent ' . $singular . ':',
		'edit_item' => __( 'Edit '. $singular , CHILD_DOMAIN ),
		'update_item' => __( 'Update ' . $singular, CHILD_DOMAIN ),
		'add_new_item' => __( 'Add New ' . $singular, CHILD_DOMAIN ),
		'new_item_name' => __( 'New ' . $singular . ' Name', CHILD_DOMAIN ),
		'menu_name' => __( $singular , CHILD_DOMAIN ),
    );
}