Support » Fixing WordPress » Multiple image sizes not working

  • 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

    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


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