Multiple Featured Images in WordPress

multiple-featured-image.php

<?php---------------------------- 
3ti file lagbe
1. multi-post-thumbnails.php
2. multi-post-thumbnails-admin.js
3. media-modal.js
    file 3ti functions.php te call korte hobe
    
functions.php te nicher code bosbe

add_image_size( 'secondary-image', 300, 156, true );

if (class_exists('MultiPostThumbnails')) {
    new MultiPostThumbnails(
        array(
            'label' => 'Secondary Image',
            'id' => 'secondary-image',
            'post_type' => 'product'
        )
    );
     new MultiPostThumbnails(array(
        'label' => '3rd Feature Image',
        'id' => 'feature-image-3',
        'post_type' => 'folio'
        )
    );
    new MultiPostThumbnails(array(
        'label' => '4th Feature Image',
        'id' => 'feature-image-4',
        'post_type' => 'folio'
        )
    );
}

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----------------------------------
 ei code change hobe multi-post-thumbnails.php te
	/**
		 * Enqueue admin JavaScripts
		 *
		 * @return void
		 */
		public function enqueue_admin_scripts( $hook ) {
			global $wp_version, $post_ID;
			
			// only load on select pages
			if ( ! in_array( $hook, array( 'post-new.php', 'post.php', 'media-upload-popup' ) ) )
				return;

			if (version_compare($wp_version, '3.5', '<')) {	
				add_thickbox();
				wp_enqueue_script( "mpt-featured-image", $this->plugins_url( 'js/multi-post-thumbnails-admin.js', __FILE__ ), array( 'jquery', 'media-upload' ) );
			} else { // 3.5+ media modal
				wp_enqueue_media( array( 'post' => ( $post_ID ? $post_ID : null ) ) );
				wp_enqueue_script( "mpt-featured-image", $this->plugins_url( 'js/multi-post-thumbnails-admin.js', __FILE__ ), array( 'jquery', 'set-post-thumbnail' ) );
				wp_enqueue_script( "mpt-featured-image-modal", $this->plugins_url( 'js/media-modal.js', __FILE__ ), array( 'jquery', 'media-models' ) );				
			}
			
			wp_enqueue_style( "mpt-admin-css", $this->plugins_url( 'css/multi-post-thumbnails-admin.css', __FILE__ ) );
		}
		
	
		
------------------------------------------------------		
multi-post-thumbnails.php te  nicer code bosbe , uporer code er priborte.

  public function enqueue_admin_scripts( $hook ) {
        global $wp_version;
        $template_url = get_bloginfo('template_url');
        // only load on select pages
        if ( ! in_array( $hook, array( 'post-new.php', 'post.php', 'media-upload-popup' ) ) )
        return;

        if (version_compare($wp_version, '3.5', '<')) {
        add_thickbox();
        wp_enqueue_script( "mpt-featured-image", $template_url.'/js/multi-post-thumbnails-admin.js', array( 'jquery', 'media-upload' ) );
        } else { // 3.5+ media modal
        wp_enqueue_media();
        wp_enqueue_script( "mpt-featured-image", $template_url.'/js/multi-post-thumbnails-admin.js', array( 'jquery', 'set-post-thumbnail' ) );
        wp_enqueue_script( "mpt-featured-image-modal", $template_url.'/js/media-modal.js', array( 'jquery', 'media-models' ) );
        }
        }		
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Display code for disire place . jekhane show korte hobe

<?php if (class_exists('MultiPostThumbnails')) :
    MultiPostThumbnails::the_post_thumbnail(
        get_post_type(),
        'secondary-image'
    );
endif; ?>