Page thumbnail in the list of all pages
Found an interesting tutorial on adding thumbnails to the list of pages in the control panel.
(For a simpler solution to the thumbnail output problem, you can go to another lesson).
From the picture above you can see, that this approach is great to add thumbnails to articles, who don't have them. The code must be placed in plugin, or to a file function.php.
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if ( !function_exists('fb_AddThumbColumn') && function_exists('add_theme_support') ) { // for post and page add_theme_support('post-thumbnails', array( 'post', 'page' ) ); function fb_AddThumbColumn($cols) { $cols['thumbnail'] = __('Thumbnail'); return $cols; } function fb_AddThumbValue($column_name, $post_id) { $width = (int) 35; $height = (int) 35; if ( 'thumbnail' == $column_name ) { // thumbnail of WP 2.9 $thumbnail_id = get_post_meta( $post_id, '_thumbnail_id', true ); // image from gallery $attachments = get_children( array('post_parent' => $post_id, 'post_type' => 'attachment', 'post_mime_type' => 'image') ); if ($thumbnail_id) $thumb = wp_get_attachment_image( $thumbnail_id, array($width, $height), true ); elseif ($attachments) { foreach ( $attachments as $attachment_id => $attachment ) { $thumb = wp_get_attachment_image( $attachment_id, array($width, $height), true ); } } if ( isset($thumb) && $thumb ) { echo $thumb; } else { echo __('None'); } } } // for posts add_filter( 'manage_posts_columns', 'fb_AddThumbColumn' ); add_action( 'manage_posts_custom_column', 'fb_AddThumbValue', 10, 2 ); // for pages add_filter( 'manage_pages_columns', 'fb_AddThumbColumn' ); add_action( 'manage_pages_custom_column', 'fb_AddThumbValue', 10, 2 ); } |
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List of courses I teach
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- Basic web design course;
- Site layout;
- General course on CMS WordPress and continuation of the course on template development;
- Website development in PHP.
