Php calculates the time difference between two dates

Php calculates two date difference collections of these applets, which may be used in the future ~

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$ One = strtotime ('2017-05-08 07:02:40 '); // start time stamp
$ Tow = strtotime ('2017-12-25 00:00:00 '); // end time stamp
$ Cle = $ tow-$ one; // Get the timestamp difference

/* This is just a prompt
Echo ceil ($ cle/60); // The total number of minutes
Echo ceil ($ cle/3600); // calculates the total number of hours
Echo ceil ($ cle/3600/24); // returns the total number of days
*/
/* Ceil () function, which is an integer in the next method */
$ D = cell ($ cle/3600/24 );
$ H = cell ($ cle % (3600*24)/3600); // % obtain the remainder
$ M = cell ($ cle % (3600*24)/60 );

Echo "two time differences $ d days $ h hours $ m points"
?>