inc/class-Inform_About_Content.php
public function save_transit_posts( $new_status, $old_status, $post ) {

		$this->transit_posts[ $post->ID ] = array(
			'old_status' => $old_status,
			'new_status' => $new_status
		);
	}
public function save_transit_posts( $new_status, $old_status, $post ) {

		$this->transit_posts[ $post->ID ] = array(
			'old_status' => $old_status,
			'new_status' => $new_status
		);
	}
catch post status transition of each post

@wp-hook transition_post_status
@since 2013.07.17

@param string $new_status
@param string $old_status
@param WP_Post $post