How to show NEW post content in post editor?
try wp update post function: // Update post 37 for example $my_post = array( ‘ID’ => 37, ‘post_title’ => ‘This is the post title.’, ‘post_content’ => ‘This is the updated content.’, ); // Update the post into the database wp_update_post( $my_post ); https://codex.wordpress.org/Function_Reference/wp_update_post