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Lesson 23 - Date and Time in PHP using OOP

In the previous tutorial, Magic methods in PHP pt. 2, we learned about getters, setters and went over all of the basic magic methods. In today's lesson, we are going to introduce you to the DateTime class, which allows us to work with date and time in an object-oriented way.


The DateTime class contains all the necessary methods for working with date and time. As you can see, PHP is slowly improving, and it's starting to provide system objects. Thanks to this, we don't have to remember any of those poorly named global functions.


To work with time and date, we simply create an instance of the class. If we don't enter any parameters in the constructor, the DateTime instance is set to the current date and time:

$date = new DateTime();

If we wanted to set a specific time, there is a variety of ways to do so. We're going to look into some of them.

Database format

If we've received a date from a database


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Article description

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In this tutorial, we're going work with date and time in an object-oriented way using the DateTime and DateInterval PHP classes. We'll also format dates.

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Article has been written for you by David Capka
The author is a programmer, who likes web technologies and being the lead/chief article writer at He shares his knowledge with the community and is always looking to improve. He believes that anyone can do what they set their mind to.
Unicorn university David learned IT at the Unicorn University - a prestigious college providing education on IT and economics.