Manually/Programmatically update Image Advanced field values

Hi Mohammad,

You can do that with this code:

// Add
$your_images_ids = [1,2,3];
foreach ( $your_images_ids as $image_id ) {
    add_post_meta( $post_id, $field_id, $image_id, false ); // Notice the last parameter.
}

// Delete
delete_post_meta( $post_id, $field_id, $image_id );

Hi Mohammad,

For image fields, each image ID is stored in a single row in the DB. If you don't want to delete old rows, then you can get them all via get_post_meta function and do some check before updating. But I guess it takes more (maybe a lot) of code to check. A better and simpler way to do that is delete all old rows and add new rows.