This QRCode PHP class allows you to easily generate a simple QR code using vCard 4.0 and the Google Chart API.
Here also two video explanation of QR code: http://www.youtube.com/watch?v=B3lrcOhmp9g and http://www.youtube.com/watch?v=IphTJHiKGos
Here's a basic example:
<?php
require 'QRCode.class.php'; // Include the QRCode class
/**
* If you have PHP 5.4 or higher, you can instantiate the object like this:
* (new QRCode)->fullName('...')->... // Create vCard Object
*/
$oQRC = new QRCode; // Create vCard Object
$oQRC->fullName('Pierre-Henry Soria') // Add Full Name
->nickName('PH7') // Add Nickname
->gender('M') // Add Gender
->email('ph7software@gmail.com') // Add Email Address
->impp('phs_7@aol.com') // Add Instant Messenger
->url('http://ph-7.github.com') // Add URL Website
->note('Hello to all! I am a web developer. As hobbit, I like climbing and swimming ...') // Add Note
->categories('developer,designer,climber,swimmer') // Add Categories
->photo('http://files.phpclasses.org/picture/user/1122955.jpg') // Add Avatar
->lang('en-US') // Add Language
->finish(); // End vCard
// echo '<p><img src="' . $oQRC->get(300) . '" alt="QR Code" /></p>'; // Generate and display the QR Code
$oQRC->display(); // DisplayYou also have a sample file here: http://github.com/pH-7/QRCode-Generator-PHP-Class/blob/master/example.php
PHP 5.2.4 or higher.
Pierre-Henry Soria
Contact me at: ph7software [at] gmail.com
General Public License 3 or later; See the LICENSE.txt file.