Add subtitle to Woocommerce product title

2 comments

1. To answer your first question, getting your post meta »bookauthor« this way will echo/display just that. If you are defining the variable $id in your code right – or you can do it like shown below.

   The code should answer your second question, how to insert your second title line to the product page via the hook woocommerce_single_product_summary. Just add your extra information like this:

       function wpse116660_wc_add_2nd_title() {
           ?>
           <div class="2nd-tile">
               <?php echo get_post_meta(get_the_ID(), "bookauthor", true); ?>
           </div>
           <?php
       }
       add_action( 'woocommerce_single_product_summary', 'wpse116660_wc_add_2nd_title', 6 );
   

   To have some more comfort with your custom post meta you can do what @pl4g4 and @brasofilo suggested and add a metabox to the product edit screen, but it’s not necessary of course, you seem to know how to do it with the standard wordpress custom fields metabox.

   ---

   You can add your meta box like this, the code is based on the first example on the add_meta_box wordpress codex page.

   /**
    * Adds a box to the main column on the Post and Page edit screens.
    */
   function wpse116660_wc_2nd_title_mb() {
   
       $screen = array( 'product' );
   
           add_meta_box(
               'wc_2nd_title_mb',
               __( '2nd title', 'your_textdomain' ),
               'wc_2nd_title_inner_mb',
               $screen,
               'advanced',
               'high'
           );
   }
   add_action( 'add_meta_boxes', 'wpse116660_wc_2nd_title_mb', 0 );
   
   /**
    * Prints the box content.
    * 
    * @param WP_Post $post The object for the current post/page.
    */
   function wpse116660_wc_2nd_title_inner_mb( $post ) {
   
     // Add an nonce field so we can check for it later.
     wp_nonce_field( 'wc_2nd_title_inner_mb', 'wc_2nd_title_inner_mb_nonce' );
   
     /*
      * Use get_post_meta() to retrieve an existing value
      * from the database and use the value for the form.
      */
     $value = get_post_meta( $post->ID, 'bookauthor', true );
   
     echo '<label for="bookauthor_field">';
          _e( "Bookauthor", 'your_textdomain' );
     echo '</label> ';
     echo '<input type="text" id="bookauthor_field" name="bookauthor_field" value="' . esc_attr( $value ) . '" size="50" />';
   
   }
   
   /**
    * When the post is saved, saves our custom data.
    *
    * @param int $post_id The ID of the post being saved.
    */
   function wpse116660_wc_2nd_title_save_postdata( $post_id ) {
   
     /*
      * We need to verify this came from the our screen and with proper authorization,
      * because save_post can be triggered at other times.
      */
   
     // Check if our nonce is set.
     if ( ! isset( $_POST['wc_2nd_title_inner_mb_nonce'] ) )
       return $post_id;
   
     $nonce = $_POST['wc_2nd_title_inner_mb_nonce'];
   
     // Verify that the nonce is valid.
     if ( ! wp_verify_nonce( $nonce, 'wc_2nd_title_inner_mb' ) )
         return $post_id;
   
     // If this is an autosave, our form has not been submitted, so we don't want to do anything.
     if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) 
         return $post_id;
   
     // Check the user's permissions.
     if ( 'page' == $_POST['post_type'] ) {
   
       if ( ! current_user_can( 'edit_page', $post_id ) )
           return $post_id;
   
     } else {
   
       if ( ! current_user_can( 'edit_post', $post_id ) )
           return $post_id;
     }
   
     /* OK, its safe for us to save the data now. */
   
     // Sanitize user input.
     $mydata = sanitize_text_field( $_POST['bookauthor_field'] );
   
     // Update the meta field in the database.
     update_post_meta( $post_id, 'bookauthor', $mydata );
   }
   add_action( 'save_post', 'wpse116660_wc_2nd_title_save_postdata' );
   

2. You can add an extra metabox to the product post. This meta box should have and input form so u can enter the sub-title, when you have added the metabox save the value in the post_meta when the product is saved, then in the single product page from the woocommerce template use the code

   <?php echo get_post_meta($id, "bookauthor", true); ?>
   

   to get it.

   you can find info about metaboxess Here And also Here

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