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August 1, 2024 23:43
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Set the featured image from the first entry in an ACF gallery field, saving only for a specified post type.
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| function set_featured_image_from_gallery() { | |
| global $post; | |
| $post_id = $post->ID; | |
| $has_thumbnail = get_the_post_thumbnail($post_id); | |
| if ( !$has_thumbnail ) { | |
| $images = get_field('image_gallery', $post_id, false); | |
| $image_id = $images[0]; | |
| if ( $image_id ) { | |
| set_post_thumbnail( $post_id, $image_id ); | |
| } | |
| } | |
| } | |
| add_action( 'save_post_property', 'set_featured_image_from_gallery' ); |
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Would this work with Custom Post Types?
I have one called 'properties' - Do I need to change anything ?