Online PHP editor | refs for WV4XO

<?php $chat_session = "1449675645"; $ts = "15:40:50"; // 5 segundos de diferencia $datetime = date('Y-m-d', $chat_session) . " " . $ts; date_default_timezone_set('GMT'); $datetime_unix = strtotime($datetime); echo "inicio : $chat_session\n"; echo "respuesta : $datetime_unix\n"; echo "diferencia seg : " . ((int)$datetime_unix - (int)$chat_session);