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Get Days Left In A Month Using PHP

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

And, this is the link for the bootstrap that i used for the layout design

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="">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. if(ISSET($_POST['get'])){
  3. $month=date("m", strtotime($_POST['date']));
  4. $day=date("d", strtotime($_POST['date']));
  5. $year=date("Y", strtotime($_POST['date']));
  7. $date=$year."-".$month."-".$day;
  9. $timestamp = strtotime($date);
  11. $daysleft = (int)date('t', $timestamp) - (int)date('j', $timestamp);
  13. echo "<center><h3><span class='text-danger'>".$daysleft."</span> days remaining</h3></center>";
  15. }
  17. ?>

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!

Note: Due to the size or complexity of this submission, the author has submitted it as a .zip file to shorten your download time. After downloading it, you will need a program like Winzip to decompress it.

Virus note: All files are scanned once-a-day by for viruses, but new viruses come out every day, so no prevention program can catch 100% of them.


1. Re-scan downloaded files using your personal virus checker before using it.
2. NEVER, EVER run compiled files (.exe's, .ocx's, .dll's etc.)--only run source code.

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