get.day.name.php

function get_day_name($timestamp) {
    $date = date('d/m/Y', $timestamp);
    if($date == date('d/m/Y')) {
      $day_name = 'Today';
    } else if($date == date('d/m/Y',now() - (24 * 60 * 60))) {
      $day_name = 'Yesterday';
    }
    return $date;
}
print date('G:i:s', $last_access).' '.get_day_name($last_access);