post-status

_post_states( WP_Post $post ) Parameters #Parameters $post (WP_Post) (Required) Code Reference from wordpress.org (https://developer.wordpress.org/reference/functions/_post_states/) function _post_states($post) { $post_states = array(); if ( isset( $_REQUEST[‘post_status’] ) ) $post_status = $_REQUEST[‘post_status’]; else $post_status=””; if ( !empty($post->post_password) ) $post_states[‘protected’] = __(‘Password protected’); if ( ‘private’ == $post->post_status && ‘private’ != $post_status ) $post_states[‘private’] = __(‘Private’); if ( ‘draft’ … Read more

See this Codex page. In general the hook is {old_status}_to_{new_status}. (Untested) but in your case, the hook would be pending_to_draft: add_action(‘pending_to_draft’,’wpse45803_pending_to_draft’); function wpse45803_pending_to_draft($post){ //Do something } You might want to look up the wp_transition_post_status function. You could also use the hook: transition_post_status add_action(‘transition_post_status’,’wpse45803_transition_post_status’,10,3); function wpse45803_transition_post_status($new_status,$old_status,$post){ //Do something }