Get Days Left In A Month Using PHP

Submitted by razormist on Friday, July 3, 2020 - 22:17.
In this article we will create a Get Days Left In A Month using PHP. The program will simple calculate the remaining days within a month when a date is entered. This is a user-friendly kind of program feel free to modify it. To learn more about this tutorial, just follow the step below.

Getting Started:

First you have to download & install XAMPP or any local server that run PHP scripts. Here's the link for XAMPP server https://www.apachefriends.org/index.html. And, this is the link for the bootstrap that i used for the layout design https://getbootstrap.com/.

Creating The Interface

This is where we will create a simple form for our application. To create the forms simply copy and write it into your text editor, then save it as index.php. 
  1. <!DOCTYPR html>
  2. <html lang="en">
  3. 	<head>
  4. 		<meta charset="UTF-8" name="viewport" content="width=device-width, initial-scale=1" />
  5. 		<link rel="stylesheet" type="text/css" href="css/bootstrap.css" />
  6. 	</head>
  7. <body>
  8. 	<nav class="navbar navbar-default">
  9. 		<div class="container-fluid">
  10. 			<a class="navbar-brand" href="https://sourcecodester.com">Sourcecodester</a>
  11. 		</div>
  12. 	</nav>
  13. 	<div class="col-md-3"></div>
  14. 	<div class="col-md-6 well">
  15. 		<h3 class="text-primary">Get Days Left In A Month Using PHP</h3>
  16. 		<hr style="border-top:1px dotted #ccc;"/>
  17. 		<div class="col-md-6">
  18. 			<form method="POST" action="">
  19. 				<div class="form-group">
  20. 					<label>Please enter a date</label>
  21. 					<input type="date" name="date" class="form-control"/>
  22. 				</div>
  23. 				<center><button class="btn btn-primary" name="get">Get Days</button></center>
  24. 			</form>
  25. 			<?php include 'get_days.php'?>
  26. 		</div>
  27. 	</div>
  28. </body>	
  29. </html>

Creating the Main Function

This code contains the main function of the application. This code will display the remaining days of a month. To make this just copy and write these block of codes below inside the text editor, then save it as get_days.php 
  1. <?php
  2. 	date_default_timezone_set("Etc/GMT-8");
  3. 	if(ISSET($_POST['get'])){
  4. 		$month=date("m", strtotime($_POST['date']));
  5. 		$day=date("d", strtotime($_POST['date']));
  6. 		$year=date("Y", strtotime($_POST['date']));
  7.  
  8. 		$date=$year."-".$month."-".$day;
  9.  
  10. 		$timestamp = strtotime($date);
  11.  
  12. 		$daysleft = (int)date('t', $timestamp) - (int)date('j', $timestamp);
  13.  
  14. 		echo "<center><h3><span class='text-danger'>".$daysleft."</span> days remaining</h3></center>";
  15.  
  16. 	}
  17.  
  18. ?>
There you have it we successfully created Get Days Left In A Month using PHP. I hope that this simple tutorial help you to what you are looking for. For more updates and tutorials just kindly visit this site. Enjoy Coding!

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