How to display an icon when a new post is published and then remove it when a specific time past?
Filter the content of post_class(): add_filter( ‘post_class’, function( $classes ) { if ( is_singular() ) return $classes; // now minus last mod time in seconds $diff = time() – mysql2date( ‘U’, $post->post_date ); if ( DAY_IN_SECONDS <= $diff ) $classes[] = ‘new-post’; return $classes; }); Now, in your loop, use post_class(), and you get an … Read more