Good day! This tutorial is all about How to Create Simple Age Calculator in PHP Age Calculator can be used to automatically calculate the age of a person by putting in his/her birthday.
With the help of this it can easily calculate ages of a person. It is an effective feature to be put in a project systems.
Creating the Age Calculator please put this codes:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Simple Age Calculator in PHP</title> <link rel="stylesheet" type="text/css" href="bootstrap/css/bootstrap.min.css"> </head> <body>How to Create Simple Age Calculator in PHP?
Birthday:
<button type="submit" name="calculate" class="btn btn-primary">Calculate</button> </form> <?php if(isset($_POST['calculate'])){ $bday = $_POST['birthday']; $today = date('Y-m-d'); $diff = date_diff(date_create($bday), date_create($today)); ?>
'.$diff->format('%y').''; ?>
<?php } ?> </div> </div> </div> </body> </html><!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Simple Age Calculator in PHP</title>
<link rel="stylesheet" type="text/css" href="bootstrap/css/bootstrap.min.css">
</head>
<body>
That’s It! Go and Run the Program!
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Download Source Code Here:
Frequently Asked Questions
What does this PHP tutorial cover?
Focused PHP language or library tutorial showing a single concept with working code. Use as a building block when assembling a larger system.
What PHP and MySQL versions does this project require?
Most projects in this batch run on PHP 7.4 to PHP 8.2 with MySQL 5.7+ or MariaDB 10+. A few older projects need PHP 5.6 (deprecated, use XAMPP 7.x). To run: install XAMPP / WAMP / Laragon, extract project to htdocs, import the included .sql file via phpMyAdmin, edit the connection file (usually config.php or db_connect.php) with your DB credentials, browse to the project URL in your browser.
How do I set up the database for this PHP project?
Open phpMyAdmin (http://localhost/phpmyadmin/ on XAMPP), create a new empty database with the name specified in the project’s config.php. Click the Import tab, choose the included .sql file, click Go. Then edit config.php (or includes/connection.php) with: ‘localhost’, your MySQL username (usually ‘root’), your MySQL password (usually blank for XAMPP), and the database name.
Can I use this PHP project for a BSIT capstone or thesis?
Yes, but extend it. A bare CRUD app is too narrow for full capstone scope. Add: user roles via session checks, reports/dashboards (Chart.js + AJAX), PDF exports (TCPDF library), email notifications (PHPMailer), real domain extension (analytics, audit log, multi-branch support). Pair with Chapter 1-5 documentation matching your panel’s rubric.
Why am I getting ‘connection error’ or ‘undefined function mysqli_connect’?
Three common PHP issues: (1) Connection error: Apache + MySQL services not running in XAMPP control panel, OR database name in config.php does not match what you created in phpMyAdmin. (2) ‘undefined function mysqli_connect’: MySQL extension not enabled, in php.ini uncomment extension=mysqli (then restart Apache). (3) ‘No such file or directory’: MySQL socket path wrong, use 127.0.0.1 instead of localhost in the connection string.
Where can I find more PHP projects with source code?
Browse the PHP Projects hub for the full library (300+ vanilla PHP systems). For modern PHP MVC alternatives see Laravel Projects (74 systems) or CodeIgniter Projects (32 systems). For BSIT-focused capstone idea lists see 150 Best Capstone Project Ideas.