Display an incrementing number on each post
11 Mai 2013, Posted by inThe tweak below will let you display an incrementing number on each post, and implementing it is pretty simple. First, paste the following function into your functions.php file:
function updateNumbers() { global $wpdb; $querystr = "SELECT $wpdb->posts.* FROM $wpdb->posts WHERE $wpdb->posts.post_status = 'publish' AND $wpdb->posts.post_type = 'post' "; $pageposts = $wpdb->get_results($querystr, OBJECT); $counts = 0 ; if ($pageposts): foreach ($pageposts as $post): setup_postdata($post); $counts++; add_post_meta($post->ID, 'incr_number', $counts, true); update_post_meta($post->ID, 'incr_number', $counts); endforeach; endif; } add_action ( 'publish_post', 'updateNumbers' ); add_action ( 'deleted_post', 'updateNumbers' ); add_action ( 'edit_post', 'updateNumbers' );