Creating Custom Post Type with Custom Taxanomy

custom_posts.php

<?php

// Register Custom Post Type named FAQ

function wagon_faqs_post_type() {

    $labels = array(
        'name'                => _x( 'CPAP FAQs', 'Post Type General Name', 'cpap' ),
        'singular_name'       => _x( 'CPAP FAQ', 'Post Type Singular Name', 'cpap' ),
        'menu_name'           => __( 'CPAP FAQs', 'cpap' ),
        'name_admin_bar'      => __( 'CPAP FAQs', 'cpap' ),
        'parent_item_colon'   => __( 'Parent FAQ:', 'cpap' ),
        'all_items'           => __( 'All FAQs', 'cpap' ),
        'add_new_item'        => __( 'Add New FAQ', 'cpap' ),
        'add_new'             => __( 'Add New FAQ', 'cpap' ),
        'new_item'            => __( 'New Item FAQ', 'cpap' ),
        'edit_item'           => __( 'Edit FAQ', 'cpap' ),
        'update_item'         => __( 'Update FAQ', 'cpap' ),
        'view_item'           => __( 'View FAQ', 'cpap' ),
        'search_items'        => __( 'Search FAQ', 'cpap' ),
        'not_found'           => __( 'Not found', 'cpap' ),
        'not_found_in_trash'  => __( 'Not found in Trash', 'cpap' ),
    );
    $args = array(
        'label'               => __( 'cpap_faq', 'cpap' ),
        'description'         => __( 'CPAP Video FAQs', 'cpap' ),
        'labels'              => $labels,
        'supports'            => array( 'title', 'editor', 'author', 'thumbnail', 'comments', 'revisions' ),
        'hierarchical'        => false,
        'public'              => true,
        'show_ui'             => true,
        'show_in_menu'        => true,
        'menu_position'       => 5,
        'show_in_admin_bar'   => true,
        'show_in_nav_menus'   => true,
        'can_export'          => true,
        'has_archive'         => true,
        'exclude_from_search' => false,
        'publicly_queryable'  => true,
        'capability_type'     => 'post',
        'menu_icon'           => 'dashicons-book'
    );
    register_post_type( 'cpap_faq', $args );

}

add_action('init', 'wagon_faqs_post_type');



// hook into the init action and call create_book_taxonomies when it fires
add_action( 'init', 'create_faq_taxonomies', 0 );

// create two taxonomies, genres and writers for the post type "book"
function create_faq_taxonomies() {
    // Add new taxonomy, make it hierarchical (like categories)
    $labels = array(
        'name'              => _x( 'FAQ Categories', 'taxonomy general name' ),
        'singular_name'     => _x( 'FAQ Category', 'taxonomy singular name' ),
        'search_items'      => __( 'Search FAQ Category' ),
        'all_items'         => __( 'All Categories' ),
        'parent_item'       => __( 'Parent Category' ),
        'parent_item_colon' => __( 'Parent Category:' ),
        'edit_item'         => __( 'Edit Category' ),
        'update_item'       => __( 'Update Category' ),
        'add_new_item'      => __( 'Add New Category' ),
        'new_item_name'     => __( 'New Category Name' ),
        'menu_name'         => __( 'FAQ Category' ),
    );

    $args = array(
        'hierarchical'      => true,
        'labels'            => $labels,
        'show_ui'           => true,
        'show_admin_column' => true,
        'query_var'         => true,
        'rewrite'           => array( 'slug' => 'faq-category' ),
    );

    register_taxonomy( 'faq-category', array( 'cpap_faq' ), $args );

    // Add new taxonomy, NOT hierarchical (like tags)
    $labels1 = array(
        'name'                       => _x( 'FAQ Tags', 'taxonomy general name' ),
        'singular_name'              => _x( 'FAQ Tag', 'taxonomy singular name' ),
        'search_items'               => __( 'Search FAQ Tags' ),
        'popular_items'              => __( 'Popular FAQ Tags' ),
        'all_items'                  => __( 'All FAQ Tags' ),
        'parent_item'                => null,
        'parent_item_colon'          => null,
        'edit_item'                  => __( 'Edit FAQ Tag' ),
        'update_item'                => __( 'Update FAQ Tag' ),
        'add_new_item'               => __( 'Add New FAQ Tag' ),
        'new_item_name'              => __( 'New FAQ Tag Name' ),
        'separate_items_with_commas' => __( 'Separate FAQ Tag with commas' ),
        'add_or_remove_items'        => __( 'Add or remove FAQ Tags' ),
        'choose_from_most_used'      => __( 'Choose from the most used FAQ Tags' ),
        'not_found'                  => __( 'No FAQ Tag found.' ),
        'menu_name'                  => __( 'FAQ Tags' ),
    );

    $args1 = array(
        'hierarchical'          => false,
        'labels'                => $labels1,
        'show_ui'               => true,
        'show_admin_column'     => true,
        'update_count_callback' => '_update_post_term_count',
        'query_var'             => true,
        'rewrite'               => array( 'slug' => 'faq-tag' ),
    );

    register_taxonomy( 'cpap_tags', array('cpap_faq'), $args1 );
}