Wordpress Plugin: products

products.php

<?php
/*
Plugin Name: Products
Description: Products for your back- and frontend.
Version: 1.0
Author: Your Name
Author URI: http://yoururl.com
*/
defined( 'ABSPATH' ) or die( 'Plugin file cannot be accessed directly.' );

/*******************************************************
	Scripte and CSS
*******************************************************/

// Include your scripts for the frontend
function _scripts() 
{
	wp_enqueue_style( 'my-css', plugins_url('style.css',__FILE__), array(), 'screen' ); // css in the plugin folder
	wp_enqueue_script('my-js', plugins_url('script.js',__FILE__), array('jquery'), '1.0', true); // js in in the plugin folder
}
add_action( 'wp_enqueue_scripts', '_scripts'); // add your script

/*******************************************************
	Custom Post Type - Products
*******************************************************/

add_action( 'init', 'products_custom_post_type', 0 );

public function products_custom_post_type() 
{
    // Labels for the backend /wp-admin
    $labels = array(
      'name'                => _x( 'Products', 'Post Type General Name', 'products' ),
      'singular_name'       => _x( 'Product', 'Post Type Singular Name', 'products' ),
      'menu_name'           => __( 'Products', 'products' ),
      'all_items'           => __( 'All Products', 'products' ),
      'view_item'           => __( 'Show Product', 'products' ),
      'add_new_item'        => __( 'Add Product', 'products' ),
      'add_new'             => __( 'Add', 'products' ),
      'edit_item'           => __( 'Edit', 'products' ),
      'update_item'         => __( 'Update', 'products' ),
      'search_items'        => __( 'Search Products', 'products' ),
      'not_found'           => __( 'No Products found.', 'products' ),
      'not_found_in_trash'  => __( 'No Products found in trash.', 'products' ),
    );

    // Options
    $args = array(
      'label'               => __( 'Products', 'products' ),
      'description'         => __( 'Products for your portfolio', 'products' ),
      'labels'              => $labels,
      'supports'            => array( 'title', 'editor', 'author', 'thumbnail', 'revisions'),
      'taxonomies' => array('category'),
      'hierarchical'        => false,
      'public'              => true,
      'show_ui'             => true,
      'show_in_menu'        => true,
      'show_in_nav_menus'   => true,
      'show_in_admin_bar'   => true,
      'menu_position'       => 5,
      'can_export'          => true,
      'has_archive'         => true,
      'exclude_from_search' => false,
      'publicly_queryable'  => true,
      'capability_type'     => 'post',
    );

    // Register post type products
    register_post_type( 'products', $args );
}

/*******************************************************
	ShortCode - Products
*******************************************************/

// add shortcode [products]
add_shortcode( 'products', 'products_shortcode' ) );

function products_shortcode( $atts )
{
	$args = array( 'post_type' => 'products', 'posts_per_page' => 9 );
	$the_query = new WP_Query( $args );

	// You can change the HTML if and how you like 
	if ( $the_query->have_posts() ) : ?>
	
	<div class="products">
	  <?php while ( $the_query->have_posts() ) : $the_query->the_post(); ?>
	  <div class="product">
		<div class="product-image">
		  <?php the_post_thumbnail(); ?>
		</div>
		<div class="product-text">
		  <?php the_title(); the_content(); ?>
		</div>
	  </div>
	  <?php wp_reset_postdata(); endwhile; ?>
	</div>	
	
	<?php 
	else :
		echo '<p>'._e( 'No products found.', 'products' ).'</p>';
	endif;
}
?>