Definition and usage of php date_diff function

Definition and usage

The date_diff() function returns the difference between two DateTime objects.

Syntax

date_diff(datetime1,datetime2,absolute);

Parameter description:

datetime1 Required. Specifies a DateTime object.

datetime2 Required. Specifies a DateTime object.

absolute Optional. Specifies a boolean value. TRUE means the interval/difference must be positive. Default is FALSE.

Return value:

If successful, a DateInterval object is returned, representing the difference between two dates. Returns FALSE on failure.

Example display:

   format("%R%a days"); ?>  

Running results:

+272 days

Set a time 2013-03-15 as $date1, and another time 2013-12-12 as $date2 , and then use the date_diff function to find the difference between the two times and output it.

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