Add adventure custom post type

functions.php

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+<?php
+/**
+ * Theme functions file.
+ *
+ * @package WPAMPTheme
+ */
+
+// Include required classes.
+require_once get_template_directory() . '/includes/class-amp-travel-cpt.php';
+
+
+if ( ! function_exists( 'travel_setup' ) ) :
+	/**
+	 * Sets up theme defaults and registers support for various WordPress features.
+	 *
+	 * Note that this function is hooked into the after_setup_theme hook, which
+	 * runs before the init hook. The init hook is too late for some features, such
+	 * as indicating support for post thumbnails.
+	 */
+	function travel_setup() {
+		/*
+		 * Make theme available for translation.
+		 * Translations can be filed in the /languages/ directory.
+		 * If you're building a theme based on WPAMPTheme, use a find and replace
+		 * to change 'travel' to the name of your theme in all the template files.
+		 */
+		load_theme_textdomain( 'travel', get_template_directory() . '/languages' );
+
+		add_theme_support( 'amp', array() );
+
+		// init custom post type.
+		new AMP_Travel_CTP();
+	}
+endif;
+
+// Hook into theme after setup.
+add_action( 'after_setup_theme', 'travel_setup' );

includes/class-amp-travel-cpt.php

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+<?php
+/**
+ * Class for Travel Custom Post Type.
+ *
+ * @package WPAMPTheme
+ */
+
+/**
+ * Class AMP_Travel_CTP
+ *
+ * @package WPAMPTheme
+ */
+class AMP_Travel_CTP {
+
+	/**
+	 * The post type slug.
+	 *
+	 * @var string
+	 */
+	const POST_TYPE_SLUG = 'adventure';
+
+	/**
+	 * AMP_Travel_CTP constructor.
+	 */
+	public function __construct() {
+		add_action( 'init', array( $this, 'setup' ) );
+	}
+
+	/**
+	 * Setup the Custom post type support.
+	 */
+	public function setup() {
+		/*
+		 * Enable support for Post Thumbnails on posts and pages.
+		 *
+		 * @link https://developer.wordpress.org/themes/functionality/featured-images-post-thumbnails/
+		 */
+		add_theme_support( 'post-thumbnails' );
+
+		// Image Sizes.
+		$image_sizes = apply_filters( 'amp_travel_image_sizes', array(
+			'1600x900',
+			'1400x787',
+			'1200x675',
+			'1040x585',
+			'768x432',
+			'727x409',
+			'600x338',
+			'500x281',
+			'375x211',
+			'335x188',
+			'320x180',
+			'280x158',
+			'240x135',
+			'160x90',
+			'122x67',
+		) );
+
+		// Custom image sizes.
+		foreach ( $image_sizes as $size ) {
+			$dimensions = explode( 'x', $size );
+			add_image_size( 'travel-' . $size, $dimensions[0], $dimensions[1], true );
+		}
+
+		// Register the post type.
+		$this->register_post_type();
+	}
+
+	/**
+	 * Register 'adventure' post type.
+	 */
+	private function register_post_type() {
+		$labels = array(
+			'name'                  => _x( 'Adventures', 'Post type general name', 'travel' ),
+			'singular_name'         => _x( 'Adventure', 'Post type singular name', 'travel' ),
+			'menu_name'             => _x( 'Adventures', 'Admin Menu text', 'travel' ),
+			'name_admin_bar'        => _x( 'Adventure', 'Add New on Toolbar', 'travel' ),
+			'add_new'               => __( 'Add New', 'travel' ),
+			'add_new_item'          => __( 'Add New Adventure', 'travel' ),
+			'new_item'              => __( 'New Adventure', 'travel' ),
+			'edit_item'             => __( 'Edit Adventure', 'travel' ),
+			'view_item'             => __( 'View Adventure', 'travel' ),
+			'all_items'             => __( 'All Adventures', 'travel' ),
+			'search_items'          => __( 'Search Adventures', 'travel' ),
+			'parent_item_colon'     => __( 'Parent Adventures:', 'travel' ),
+			'not_found'             => __( 'No adventures found.', 'travel' ),
+			'not_found_in_trash'    => __( 'No adventures found in Trash.', 'travel' ),
+			'featured_image'        => _x( 'Adventure Cover Image', 'Overrides the “Featured Image” phrase for this post type.', 'travel' ),
+			'set_featured_image'    => _x( 'Set cover image', 'Overrides the “Set featured image” phrase for this post type.', 'travel' ),
+			'remove_featured_image' => _x( 'Remove cover image', 'Overrides the “Remove featured image” phrase for this post type.', 'travel' ),
+			'use_featured_image'    => _x( 'Use as cover image', 'Overrides the “Use as featured image” phrase for this post type.', 'travel' ),
+			'archives'              => _x( 'Adventure archives', 'The post type archive label used in nav menus. Default “Post Archives”.', 'travel' ),
+			'insert_into_item'      => _x( 'Insert into adventure', 'Overrides the “Insert into post”/”Insert into page” phrase (used when inserting media into a post).', 'travel' ),
+			'uploaded_to_this_item' => _x( 'Uploaded to this adventure', 'Overrides the “Uploaded to this post”/”Uploaded to this page” phrase (used when viewing media attached to a post).', 'travel' ),
+			'filter_items_list'     => _x( 'Filter adventures list', 'Screen reader text for the filter links heading on the post type listing screen. Default “Filter posts list”/”Filter pages list”.', 'travel' ),
+			'items_list_navigation' => _x( 'Adventures list navigation', 'Screen reader text for the pagination heading on the post type listing screen. Default “Posts list navigation”/”Pages list navigation”.', 'travel' ),
+			'items_list'            => _x( 'Adventures list', 'Screen reader text for the items list heading on the post type listing screen. Default “Posts list”/”Pages list”.', 'travel' ),
+		);
+
+		$args = array(
+			'labels'              => $labels,
+			'description'         => __( 'Adventure Custom Post Type for travel theme.', 'travel' ),
+			'public'              => true,
+			'exclude_from_search' => true,
+			'publicly_queryable'  => true,
+			'show_ui'             => true,
+			'show_in_nav_menus'   => true,
+			'show_in_menu'        => true,
+			'show_in_admin_bar'   => true,
+			'menu_position'       => 20,
+			'menu_icon'           => 'dashicons-location-alt',
+			'capability_type'     => 'post',
+			'hierarchical'        => false,
+			'supports'            => array(
+				'title',
+				'editor',
+				'thumbnail',
+			),
+			'has_archive'         => true,
+			'rewrite'             => array(
+				'slug' => self::POST_TYPE_SLUG,
+			),
+			'query_var'           => true,
+			'can_export'          => true,
+		);
+
+		register_post_type( self::POST_TYPE_SLUG, $args );
+	}
+}

index.php

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+<?php
+/**
+ * Placeholder for index.php file.
+ *
+ * @package WPAMPTheme
+ */
+
+?>
+
+<html></html>

style.css

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+/*!
+Theme Name: Travel
+Theme URI: https://wordpress.org/themes/amp-travel
+Author: XWP
+Author URI: https://xwp.co
+Description: WordPress theme built using AMP to make your site lightning fast.
+Version: 1.0.0
+License: GNU General Public License v2 or later
+License URI: LICENSE
+Text Domain: travel
+Tags: custom-background, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready
+
+This theme, like WordPress, is licensed under the GPL.
+Use it to make something cool, have fun, and share what you've learned with others.
+
+This stylesheet is intentionally left blank.
+*/