Table of Contents
Already we have an article over Time class methods in CodeIgniter 4, Click here to see. Time class provides many methods which is very useful when we work with date and time values.
Additionally, it provides some pair of getter and setter functions. You can see the list of those here, Click to learn.
Inside this article we will learn To find date differences in CodeIgniter 4. This article uses the Time class and it’s methods to see the whole concept to find date and time differences in terms of year, month, days, hours, weeks etc.
How can compare two date values, you will get the complete idea from this article.
Note*: For this article, CodeIgniter v4.1 setup has been installed. May be when you are seeing, version will be updated. CodeIgniter 4.x still is in development mode.
Let’s get started.
Download & Install CodeIgniter 4 Setup
We need to download & install CodeIgniter 4 application setup to system.
To set application we have multiple options to proceed.
Here are the following ways to download and install CodeIgniter 4 –
- Manual Download
- Composer Installation
- Clone Github repository of CodeIgniter 4
Complete introduction of CodeIgniter 4 basics – Click here to go. After going through this article you can easily download & install setup.
Here is the command to install via composer –
$ composer create-project codeigniter4/appstarter codeigniter-4
Assuming you have successfully installed application into your local system.
Turn Development Mode On
When we install CodeIgniter 4, we have env file at root. To use the environment variables means using variables at global scope we need to do env to .env
Open project in terminal
$ cp env .env
Above command will create a copy of env file to .env file. Now we are ready to use environment variables.
CodeIgniter starts up in production mode by default. Let’s do it in development mode. So that while working if we get any error then error will show up.
# CI_ENVIRONMENT = production // Do it to CI_ENVIRONMENT = development
Now application is in development mode.
What is Time Class & Create Instance
This class is the Time class and lives in the CodeIgniter\I18n namespace. Inside this article we will see the concept of Date and Time in CodeIgniter 4. Also we will see available methods of Time Class in great detail.
To use Time Class in CodeIgniter 4 application, we need to do these things –
- Import CodeIgniter\I18n\Time
- Create Instance of Time()
Here, we have few examples to load and use Time() class.
use CodeIgniter\I18n\Time; $myTime = new Time('+3 week');
Date Difference Methods in CodeIgniter 4
To compare two Times directly, we use the difference() method, which returns a CodeIgniterI18nTimeDifference instance.
$time = Time::parse('March 10, 2017', 'America/Chicago'); $diff = $time->difference(Time::now()); $diff = $time->difference(new DateTime('July 4, 1975', 'America/Chicago'); $diff = $time->difference('July 4, 1975 13:32:05', 'America/Chicago');
Once you have the TimeDifference instance, we have several methods we can use to find information about the difference between the two times.
$current = Time::parse('March 10, 2017', 'America/Chicago'); $test = Time::parse('March 10, 2010', 'America/Chicago'); $diff = $current->difference($test); echo $diff->getYears(); // -7 echo $diff->getMonths(); // -84 echo $diff->getWeeks(); // -365 echo $diff->getDays(); // -2557 echo $diff->getHours(); // -61368 echo $diff->getMinutes(); // -3682080 echo $diff->getSeconds(); // -220924800
We can use either getX() methods, or access the calculate values as if they were properties:
echo $diff->years; // -7 echo $diff->months; // -84 echo $diff->weeks; // -365 echo $diff->days; // -2557 echo $diff->hours; // -61368 echo $diff->minutes; // -3682080 echo $diff->seconds; // -220924800
This returns a string that displays the difference between the times in a human readable format that is geared towards being easily understood. It can create strings like ‘3 hours ago’, ‘in 1 month’, etc.
$current = Time::parse('March 10, 2017', 'America/Chicago') $test = Time::parse('March 9, 2016 12:00:00', 'America/Chicago'); $diff = $current->difference($test); echo $diff->humanize(); // 1 year ago
We hope this article helped you to Find Date Differences in CodeIgniter 4 Tutorial in a very detailed way.
Find More on CodeIgniter 4 here
- CodeIgniter 4 Cookie Helper Tutorial
- CodeIgniter 4 CRUD Application Tutorial
- CodeIgniter 4 CRUD REST APIs Tutorial
- CodeIgniter 4 CSRF Token in AJAX Request
- Database Query in CodeIgniter 4 Tutorial
- CodeIgniter 4 Ajax Form Data Submit
- CodeIgniter 4 Form Validation Tutorial
- CodeIgniter 4 Image Upload with Form Tutorial
- Multi language in CodeIgniter 4 Tutorial
- Stripe Payment Gateway Integration in CodeIgniter 4
- CodeIgniter 4 CSRF Token Tutorial
- CodeIgniter 4 Basics Tutorial
- CodeIgniter 4 Spark CLI Commands Tutorial
- Migration in CodeIgniter 4 Tutorial
- Seeders in CodeIgniter 4 Tutorial