<html> <head> <link rel="stylesheet" href="clock/compiled/flipclock.css"> </head> <body> <?php $a = date('Y-m-d H:i:s'); $str_a = (strtotime($a)); $b = '2015-05-02 00:00:00'; $str_b = (strtotime($b)); $pozostalo = $str_b - $str_a; ?> <script type="text/javascript"> var clock; $(document).ready(function() { var clock; clock = $('.clock').FlipClock(<?php echo $pozostalo ?>, { clockFace: 'DailyCounter', countdown: true, callbacks: { stop: function() { $('.message').html('The clock has stopped!') } } }); }); </script> </body> </html>