Library to register wordpress taxonomy easier

taxonomy.php

<?php
namespace JBSF\Admin;

class Taxonomy
{
    private $label = [];

    /**
     * Construction
     */
    public function __construct()
    {

    }

    /**
     * Set taxonomy label
     * @param string $singular [description]
     * @param string $plural   [description]
     */
    private function set_label($singular,$plural = '')
    {
        $plural     = (empty($plural) || '' === $plural) ? $singular.'s' : $plural;

        $this->label = array(
    		'name'              => _x( ucfirst($plural), 'taxonomy general name', 'jbsf' ),
    		'singular_name'     => _x( ucfirst($singular), 'taxonomy singular name', 'jbsf' ),
    		'search_items'      => __( 'Search '.ucfirst($plural), 'jbsf' ),
    		'all_items'         => __( 'All '.ucfirst($plural), 'jbsf' ),
    		'parent_item'       => __( 'Parent '.ucfirst($singular), 'jbsf' ),
    		'parent_item_colon' => __( 'Parent '.ucfirst($singular).':', 'jbsf' ),
    		'edit_item'         => __( 'Edit '.ucfirst($singular), 'jbsf' ),
    		'update_item'       => __( 'Update '.ucfirst($singular), 'jbsf' ),
    		'add_new_item'      => __( 'Add New '.ucfirst($singular), 'jbsf' ),
    		'new_item_name'     => __( 'New '.ucfirst($singular).' Name', 'jbsf' ),
    		'menu_name'         => __( ucfirst($singular), 'jbsf' ),
    	);
    }

    /**
     * Set taxonomy detail
     * @param string $taxonomy   [description]
     * @param array $post_types [description]
     * @param array $args       [description]
     */
    private function set_taxonomy($taxonomy,$post_types,$args)
    {
        $args = wp_parse_args($args,[
    		'hierarchical'      => true,
    		'labels'            => $this->label,
    		'show_ui'           => true,
    		'show_admin_column' => true,
    		'query_var'         => true,
    		'rewrite'           => ['slug' => $taxonomy],
    	]);

    	register_taxonomy( $taxonomy,$post_types, $args );
    }

    /**
     * Register role taxonomy
     * @return void
     */
    public function register_role()
    {
        return;
        $this->set_label('Job Role');
        $this->set_taxonomy('job-role',['job_listing'],[
            'show_admin_column' => false
        ]);
    }

    /**
     * Register skill taxonomy
     *  @return void
     */
    public function register_skill()
    {
        return;
        $this->set_label('Job Skill');
        $this->set_taxonomy('job-skill',['job_listing'],[
            'show_admin_column' => false
        ]);
    }

    /**
     * Register sector
     * @return [type] [description]
     */
    public function register_sector()
    {
        $this->set_label('Job Sector');
        $this->set_taxonomy('job-sector',['job_listing'],[
            'show_admin_column' => false
        ]);
    }

    /**
     * Register job education
     * @return [type] [description]
     */
    public function register_education()
    {
        $this->set_label('Education');
        $this->set_taxonomy('job-education',['job_listing'],[
            'show_admin_column' => false
        ]);
    }
}