keighl

Organize “before and after” style portfolios embedded within WordPress posts. Before/After allows you to select specific images out of your media library, and sort them into respective before and after groups from the post editing page. Useful for anyone who features their work or services (web-designers, artists, plumbers, etc.) on their site.
<a href="http://www.keighl.com/plugins/before-after/" rel="nofollow ugc">Support & Examples</a>
=Use=
<ul>
<li>Add images to your Media Library; these images will become available to you on the post add/edit page.</li>
<li>On the post add/edit page, simply drag images from the Media Library column into the Before and After columns.</li>
<li>To remove an item, double-click it.</li>
</ul>
=Template Tags=
=<code><?php $beforeafter->is_gallery( id ); ?></code>=
Returns true if there is a Before/After gallery associated with a particular post.
<ul>
<li>id:
<ul>
<li>A post id. Typically the current post, $post->ID</li>
</ul>
</li>
</ul>
=<code><?php $beforeafter->gallery( type , id , file , links , list , rel , limit ); ?></code>=
Returns the images stored in a particular Before/After gallery.
<ul>
<li>
type:
<ul>
<li>Determines which gallery to return: before or after.</li>
<li>Values: ‘before’ , ‘after’</li>
<li>Default: ‘after’</li>
</ul>
</li>
<li>
id:
<ul>
<li>The post id. If set to 0, will return images from all posts with Before/After galleries.</li>
<li>Default: 0</li>
</ul>
</li>
<li>
file:
<ul>
<li>Determines the type of image to return: the original image file, or the thumbnail.</li>
<li>Values: ‘thumb’ , ‘file’</li>
<li>Default: ‘thumb’</li>
</ul>
</li>
<li>
links:
<ul>
<li>If set to true, will wrap images with links to the original files.</li>
<li>Values: true, false</li>
<li>Default: true</li>
</ul>
</li>
<li>
list:
<ul>
<li>If set to true, wraps the image in </li>
<li> tags.</li>
<li>Values: true, fase</li>
<li>Default: false</li>
</ul>
</li>
<li>
rel:
<ul>
<li>Alters the default rel parameter for image links.</li>
<li>Default: ‘beforeafter’</li>
</ul>
</li>
<li>
limit:
<ul>
<li>Limits how many items are returned.</li>
<li>Default: all of ’em.</li>
</ul>
</li>
</ul>

Before/After

A "before and after" portfolio generator. Uses images uploaded to the media library; organize galleries from the post add/edit page.

James Osborne

This plugin makes it easy to create a before and after image comparison slider, using <a href="https://amp.dev" rel="nofollow ugc">AMP</a> technology. It’s a quick method of implementing the related <a href="https://amp.dev/documentation/examples/components/amp-image-slider/" rel="nofollow ugc">amp-image-slider</a> component on your site.
For best results use the <a href="https://wordpress.org/plugins/amp/" rel="ugc">official AMP plugin</a>, with the viewing options applicable with this official plugin, rendering on AMP or non AMP URLs.
Features: 
<ul>
<li>Easy to setup, select your images, width and height</li>
<li>Super Lightweight</li>
<li>Responsive (via the AMP intrinsic layout)</li>
<li>Shortcode activated</li>
<li>Fully AMP compatible</li>
<li>Powered by AMP technology, optimized for performance</li>
</ul>
View a demo <a href="https://jamesozz.ie/1356/before-and-after-image-slider/" rel="nofollow ugc">here.</a>

Before After Image Slider (AMP)

This plugin makes it easy to create a before and after image comparison slider, using AMP technology. It's a quick method of implementing the rel …

Before/After vs Before After Image Slider (AMP)