plugins - Create multiple posts when a custom post is created

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I have a custom post called "Sector" and another called "Areas". When a Sector is created, around 6 predefined Areas need to be created as well and linked with the Sector. To make this relation work, i am using Advanced Custom Fields plugin.

This is the pseudo-algorithm:

add_action('pseudo_hook', 'my_func');

function my_func($sector_id){
   $area_titles = array("Living Room", "Kitchen", "Room 1", "Room 2", "Room 3", "Bathroom 1");
     
   $areas = array(); 
   foreach($area_titles as $title){
      $areas[] = create_area($title=$title) // pretend it is wp_insert_post() here;
   } 
   
   // relate created areas to this sector
   update_field("areas", $areas, "sector_" . $sector_id) // ACF function to update metafield;
}

My doubts:

1. Doing some research, i found the publish_[my_post_type] hook; but it doesn't fit my purpose since it is triggered also when a post is edited. I need something that runs only within creation.

2. I'd like some feedback about the performance of this approach. It won't be used often, but certainly it will be more than 6 predefined Areas in the future.

Since i'm not an Wordpress expert, i'd be very grateful for better ideas.

Thanks in advance

本文标签： pluginsCreate multiple posts when a custom post is created