This Pro tutorial provides the steps to output images from an ACF Gallery-type custom field in a Bricks query loop randomly with each image appearing only once with the remaining filled by a fallback image.
We shall use PHP sessions to ensure that any given image from the gallery is used only once.
Options page:
Options page field group:
Gallery field populated with images:
After implementing the tutorial:
Step 1
Add the following in child theme's functions.php (w/o the opening PHP tag) or a code snippets plugin:
