PHP OOP method to calculate difference between two dates (code example)

This article mainly introduces you to use the OOP method in PHP to calculate the difference between two dates.

Recommended reference study: "PHP Tutorial"

For PHP learners, using common PHP methods to calculate the difference between two times should be Very simple and easy.

But using the OOP method to calculate the difference between two dates may not be easy for novices.

First of all, everyone needs to briefly understand, OOP (object-oriented) in PHP?

In object-oriented programming (English: Object-oriented programming, abbreviation: OOP), an object is a whole composed of information and a description of how to process the information. It is a description of the real world. abstraction.

Below we will use the OOP (object-oriented) method to calculate the difference between the two periods:

The implementation code example is as follows:

<?php
$sdate = new DateTime("1949-10-01");
$edate = new DateTime("2018-11-12");

$interval = $sdate->diff($edate);

echo "差值 : " . $interval->y . " 年, " . $interval->m." 月, ".$interval->d." 天 ";

In the above code we created two There are two objects, $sdate and $edate. After instantiating the objects, we call the member function to obtain the difference of year, month and day respectively.

The results of accessing through the browser are as follows:

Here is the calculation from October 1, 1949 to November 12, 2018 The interval between days.

This article is an introduction to the specific method of calculating the difference between two dates using the OOP method in PHP. It has certain reference value. I hope it will be helpful to friends in need!

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