What to do with unattached logos and header uploaded via native wordpress uploader?

1 comment

1. You could add an ID as post_parent to the attachment of the header image via wp_update_post() (even though this seems to be a very very hacky way to do it!)

   The tricky part is to get the ID out of the attachment URL; fortunately Rarst solved this issue long time ago, so you can manually add get_attachment_id() to your functions.

   Next you’ll have to assign an ID as post_parent; everytime you’ll save the header image the selected header image will be attached to this special ID.

   add_action( 'admin_init', 'attach_header_image' );
   function attach_header_image() {
     if ( isset( $_POST['default-header'] ) ) :
       $header_image_url = get_header_image();
       $header_image_id = get_attachment_id( $header_image_url ); // function via https://wordpress.stackexchange.com/a/7094/32946
       $args = array(
         'ID' => $header_image_id,
         'post_parent' => 1 // assign header image to this ID
       );
       wp_update_post( $args );
     endif;
   }
   

   Nevertheless this seems to be a tricky way to solve the issue and it would probably superior to write an exception for the delete function…

   Debugging Infos:

   • echo get_header_image() should output the link to the current header image URL (only true if a header image is defined)
   • echo get_attachment_id( $header_image_url ) should output the ID of the attachment page which should be equal to the ID of the attachment page you can see in Media (/wp-admin/post.php?post=123&action=edit); make also sure to copy and paste get_attachment_id() function from Rarst to your functions!
   • the if-statement containing default-header should check for the name of the checked input header field, which will be saved via $_POST
     

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