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1. Keika
   Member
   Posted 5 months ago #
   

   Hi,

   I've created a front end form that allow me to insert posts. I successfully upload thumbnails and attach them to the posts but I recently tried to add an image size for a slider and that won't work.

   When I try adding posts from the Dashboard the new images with the proper sizes are created but not when I try inserting a post from the front end. Even thou from the front end, I get the thumbnail proper custom size created.

   Here's my code
   Function.php
   

   add_theme_support( 'post-thumbnails' );
   set_post_thumbnail_size( 200, 200, true);
   
   //For featured images
   add_image_size( 'homepage-featured', 960, 300, true );//Automatic crop

   Image Handling code:
   

   require_once(ABSPATH . "wp-admin" . '/includes/image.php');
     require_once(ABSPATH . "wp-admin" . '/includes/file.php');
     require_once(ABSPATH . "wp-admin" . '/includes/media.php');  
   
     $attachment_id = media_handle_upload($file, $post_id);  
   
     update_post_meta($post_id, '_thumbnail_id', $attachment_id);  
   
     $attachment_data = array(
       'ID' => $attachment_id
     );  
   
     wp_update_post($attachment_data);

   Thanks

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