Aleš Sýkora / September 27, 2022 / 3 comments
Use first ACF Gallery image as Featured image of Custom post type single
2 min read / ACF, Custom Code, Plugins, WordPress / Share on: Twitter, LinkedIn, Facebook
Post summary: How do I set the first gallery image from a custom post type gallery field as the featured image? Found this here: Use first image from gallery of custom post type to set featured image – ACF Support (advancedcustomfields.com) It use ACF | acf/save_post (advancedcustomfields.com) filter to apply.
How do I set the first gallery image from a custom post type gallery field as the featured image? Found this here: Use first image from gallery of custom post type to set featured image – ACF Support (advancedcustomfields.com)
It use ACF | acf/save_post (advancedcustomfields.com) filter to apply.
add_action('acf/save_post', 'flex_FeaturedImageSetByACF', 50);
function flex_FeaturedImageSetByACF() {
$current_screen = get_current_screen(); // Current admin screen needed to identify the current cpt
$current_cpt_name = 'models'; // Current cpt name
$current_cpt_support = 'thumbnail'; // We want to check if the CPT supports this feature
global $post;
$post_id = ( $post->ID ); // Current post ID
$post_gallery_field = get_field('model_gallery', $post_id ); // ACF field
if ( !empty( $post_id ) ) {
if ( isset( $post_gallery_field['0'] ) ) {
$post_image_id = $post_gallery_field['0']['id']; // ACF image filed ID
$post_image_url = $post_gallery_field['0']['url']; // ACF image filed URL
// If current cpt supports thumbnails/featured images
if ( post_type_supports( $current_cpt_name, $current_cpt_support ) ) {
if ( ( $post_image_url ) AND ( ( $post_image_url ) != ( get_the_post_thumbnail() ) ) ) {
update_post_meta($post_id, '_thumbnail_id', $post_image_id);
}
}
} else {
update_post_meta( $post_id, '_thumbnail_id', 0 );
}
}
}
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simon
This is amazing thank you!
I’m using the ACF gallery on woocommerce products.
Can you advise How can I set the first ACG gallery image as the featured image of the product
Aleš Sýkora
Or you can try this: HOW TO USE ACF FIELDS FOR WOOCOMMERCE PRODUCT PHOTOS
Aleš Sýkora
hello Simon,
did you tried just change the slug of post type to product and use this code?