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- function auto_featured_image() {
- global $post;
- if (!has_post_thumbnail($post->ID)) {
- $attached_image = get_children( "post_parent=$post->ID&post_type=attachment&post_mime_type=image&numberposts=1" );
- if ($attached_image) {
- foreach ($attached_image as $attachment_id => $attachment) {
- set_post_thumbnail($post->ID, $attachment_id);
- }
- }
- }
- }
- // Use it temporary to generate all featured images
- add_action('the_post', 'auto_featured_image');
- // Used for new posts
- add_action('save_post', 'auto_featured_image');
- add_action('draft_to_publish', 'auto_featured_image');
- add_action('new_to_publish', 'auto_featured_image');
- add_action('pending_to_publish', 'auto_featured_image');
- add_action('future_to_publish', 'auto_featured_image');
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