Divi Post Title Module: Open Featured Image in Lightbox

Written by Dan Mossop

I've previously written about how to add a lightbox effect to Divi featured images on plain Divi posts. In this post, we look at how to make the Divi Post Title module's featured image to do the same – open a larger version of the image when clicked.

Before

After

Open Divi Post Title Module Featured Image in a LIghtbox

Step 1: Add PHP Code

To make the Divi Post Title Module featured image open in a lightbox, first add the following PHP code to your site: 

add_action('wp_footer', 'dbc_open_featured_image_in_lightbox');
add_action('wp_enqueue_scripts', 'dbc_featured_image_in_lightbox_register_magnific_popup', 11); 

if (!function_exists('dbc_open_featured_image_in_lightbox')) {
	function dbc_open_featured_image_in_lightbox() {
		?>
		<script>
		jQuery(function($){
			$featured_img = $('.et_pb_post_title.featured-image-in-lightbox .et_pb_title_featured_container .et_pb_image_wrap img');
			$featured_img.wrap('<a class="et_pb_lightbox_image"></a>');
			$featured_img.each(function(){
				var img_url = $(this).attr('src');
                <?php if (apply_filters('dbc_open_featured_image_in_lightbox_use_fullsize_image', false)) { ?>
					img_url = img_url.replace(/-d+xd+(?=.(png|jpe?g|gif|bmp|webp))/i, '');
				<?php } ?>
				$(this).parent().attr('href', img_url);
			});
		});
		</script>
		<?php
	}
}
            
function dbc_featured_image_in_lightbox_register_magnific_popup() {
	if (!defined('ET_BUILDER_URI') || !defined('ET_CORE_VERSION') || version_compare(ET_CORE_VERSION, '4.10', '<')) { return; }
	wp_enqueue_style('dbc-featured-image-magnific-popup', ET_BUILDER_URI.'/feature/dynamic-assets/assets/css/magnific_popup.css', array(), ET_CORE_VERSION);
	wp_enqueue_script('dbc-featured-image-magnific-popup', ET_BUILDER_URI.'/feature/dynamic-assets/assets/js/magnific-popup.js', array( 'jquery' ), ET_CORE_VERSION, true);
}

Step 2: Add a class to the Divi Post Title module

Now, for any post title module you wish to apply the effect to, give it the "featured-image-in-lightbox" class, like so: 

Step 3: (Optional) Add a hover overlay

If you'd like to make it clearer to the user that they can click the featured image to open it in a popup, then you can add a hover overlay like this:

[dsm_before_after_image before_src="https://divibooster.com/wp-content/uploads/2023/10/image-29.png" after_src="https://divibooster.com/wp-content/uploads/2023/10/image-30.png" _builder_version="4.23" _module_preset="default" global_colors_info="{}" theme_builder_area="post_content"][/dsm_before_after_image]
You can do so by adding the following CSS code to your site:
/* === Add a hover icon to the post title module clickable featured images === */

:root {
  --post-title-module-featured-image-hover-brightness: 70%;
  --post-title-module-featured-image-hover-icon-color: white;
  --post-title-module-featured-image-hover-icon-font-size: 30pt;
}

/* Add a hover icon to the featured images in posts */
.et_pb_post_title.featured-image-in-lightbox .et_pb_title_featured_container .et_pb_image_wrap a.et_pb_lightbox_image:hover:before {
    content: "\55";
    font-family: ETmodules;
    color: var(--post-title-module-featured-image-hover-icon-color);
    font-size: var(--post-title-module-featured-image-hover-icon-font-size);
    text-shadow: 0px 0px 4px rgba(0, 0, 0, 1);
    position: absolute;
    top:50%; 
    left:50%;
    transform: translate(-50%, -50%);
    z-index: 1;
}
.et_pb_post_title.featured-image-in-lightbox .et_pb_title_featured_container .et_pb_image_wrap {
    position: relative;
}
/* Reduce the featured image brightness on hover */
.et_pb_post_title.featured-image-in-lightbox .et_pb_title_featured_container .et_pb_image_wrap a.et_pb_lightbox_image img:hover {
    filter: brightness(var(--post-title-module-featured-image-hover-brightness));
    transition: all 1s ease;
}
/* === End: Add a hover icon to the post title module clickable featured images === */

Run PHP Code Directly in your Divi Layouts

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About Dan Mossop

Dan is a Scottish-born web developer, now living in Brisbane with his wife and son. He has been sharing tips and helping users with Divi since 2014. He created Divi Booster, the first Divi plugin, and continues to develop it along with 20+ other Divi plugins. Dan has a PhD in Computer Science, a background in web security and likes a lot of stuff, 

2 Comments

  1. Thanks for this Dan, great to have this functionality for the Post title module. Amazing!

    Reply
    • You're very welcome, Lee! I'm glad it helps :)

      Reply

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