View difference between Paste ID: PrPq6sSx and 1Zzyq9Cq

 <?php
 
 /**
  * Custom Tabs for Product Display. Compatible with WooCommerce 2.0+ only!
  *
  * Outputs an extra tab to the default set of info tabs on the single product page.
  * This file needs to be called via your functions.php file.
  */
 
 function custom_tab_options_tab() {
 ?>
 	<li class="custom_tab"><a href="#custom_tab_data"><?php _e('Custom Tab', 'woothemes'); ?></a></li>
 <?php
 }
 add_action('woocommerce_product_write_panel_tabs', 'custom_tab_options_tab');
 
 
 /**
  * Custom Tab Options
  *
  * Provides the input fields and add/remove buttons for custom tabs on the single product page.
  */
 function custom_tab_options() {
 	global $post;
 
 	$custom_tab_options = array(
 		'title' => get_post_meta($post->ID, 'custom_tab_title', true),
 		'content' => get_post_meta($post->ID, 'custom_tab_content', true),
 	);
 
 ?>
 	<div id="custom_tab_data" class="panel woocommerce_options_panel">
 		<div class="options_group">
 			<p class="form-field">
 				<?php woocommerce_wp_checkbox( array( 'id' => 'custom_tab_enabled', 'label' => __('Enable Custom Tab?', 'woothemes'), 'description' => __('Enable this option to enable the custom tab on the frontend.', 'woothemes') ) ); ?>
 			</p>
 		</div>
 
 		<div class="options_group custom_tab_options">
 			<p class="form-field">
 				<label><?php _e('Custom Tab Title:', 'woothemes'); ?></label>
 				<input type="text" size="5" name="custom_tab_title" value="<?php echo @$custom_tab_options['title']; ?>" placeholder="<?php _e('Enter your custom tab title', 'woothemes'); ?>" />
 			</p>
 
 			<p class="form-field">
 				<?php _e('Custom Tab Content:', 'woothemes'); ?>
            	</p>
 
 			<table class="form-table">
 				<tr>
 					<td>
 						<textarea class="theEditor" rows="10" cols="40" name="custom_tab_content" placeholder="<?php _e('Enter your custom tab content', 'woothemes'); ?>"><?php echo @$custom_tab_options['content']; ?></textarea>
 					</td>
 				</tr>
 			</table>
         </div>
 	</div>
 <?php
 }
 add_action('woocommerce_product_write_panels', 'custom_tab_options');
 
 
 /**
  * Process meta
  *
  * Processes the custom tab options when a post is saved
  */
 function process_product_meta_custom_tab( $post_id ) {
 	update_post_meta( $post_id, 'custom_tab_enabled', ( isset($_POST['custom_tab_enabled']) && $_POST['custom_tab_enabled'] ) ? 'yes' : 'no' );
 	update_post_meta( $post_id, 'custom_tab_title', $_POST['custom_tab_title']);
 	update_post_meta( $post_id, 'custom_tab_content', $_POST['custom_tab_content']);
 }
 add_action('woocommerce_process_product_meta', 'process_product_meta_custom_tab', 10, 2);
 
 
 /**
  * Display Tab
  *
  * Display Custom Tab on Frontend of Website for WooCommerce 2.0
  */
 
 add_filter( 'woocommerce_product_tabs', 'woocommerce_product_custom_tab' );
 
 
 	function woocommerce_product_custom_tab( $tabs ) {
 		global $post, $product;
 
 		$custom_tab_options = array(
 			'enabled' => get_post_meta($post->ID, 'custom_tab_enabled', true),
 			'title' => get_post_meta($post->ID, 'custom_tab_title', true),
 			'content' => get_post_meta($post->ID, 'custom_tab_content', true),
 		);
 
 			if ( $custom_tab_options['enabled'] != 'no' ){
 				$tabs['custom-tab-first'] = array(
 					'title'    => $custom_tab_options['title'],
 					'priority' => 25,
 					'callback' => 'custom_product_tabs_panel_content',
 					'content'  => $custom_tab_options['content']
 				);
 			}
 
 		return $tabs;
 	}
 
 	/**
 	 * Render the custom product tab panel content for the callback 'custom_product_tabs_panel_content'
 	 */
-   function custom_product_tabs_panel_content( $key, $custom_tab_options ) {
+  function custom_product_tabs_panel_content( $key, $custom_tab_options ) {
-		echo '<h2>' . $custom_tab_options['title'] . '</h2>';
+
-		echo $custom_tab_options['content'];
+		// allow shortcodes to function
 		$content = apply_filters( 'the_content', $custom_tab_options['content'] );
 		$content = str_replace( ']]>', ']]&gt;', $content );
 
 		echo apply_filters( 'woocommerce_custom_product_tabs_panel_heading', '<h2>' . $custom_tab_options['title'] . '</h2>', $custom_tab_options );
 		echo apply_filters( 'woocommerce_custom_product_tabs_panel_content', $content, $custom_tab_options );
 	}
 
 
 
 ?>