比较两个DateTime对象[重复]

Question

This question already has an answer here:

• How do I compare two DateTime objects in PHP 5.2.8? 7 answers

actually I have 2 DateTime objects

$d1 = new DateTime('04/14/2013 8.00 AM');
$d2 = new DateTime('04/14/2013');

so without doing any changes to these 2 objects. is it possible equal these 2 objects.

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Answer 1

Yes you can use the built in diff method for the DateTime objects;

$interval = $d1->diff($2);

Heres the manual for it: DateTime::diff

Then to get just the days you can format the interval like this

$interval = $interval->format('%d');