DateTime
PHP Manual

DateTime::diff

(PHP 5 >= 5.3.0)

DateTime::diffReturns the difference between two DateTime objects

Description

public DateInterval DateTime::diff ( DateTime $datetime [, bool $absolute = false ] )

Returns the difference between two DateTime objects.

Parameters

datetime

The date to compare to.

absolute

Whether to return absolute difference.

Return Values

The difference between two dates.


DateTime
PHP Manual