Two-dimensional code online generation of images PHP source code _php Tutorial

Two-dimensional code online generation of images PHP source code

QR code is now becoming more and more popular, here is the two-dimensional code generated by PHP code, a use of Google's open QR Code API, another section of the use of PHP QR code two-dimensional open source class library, are very simple.

1. Using Google Chart API to generate two-dimensional code images

Google Chart API is a very powerful API, the generation of QR code is just one of the small features. Here only the two-dimensional code section, if you want to learn more features, you can login to the official website address: http://code.google.com/intl/zh-CN/apis/chart/

The code is as follows:

　　

$urlToEncode = "Http://www.weste.net";

Generateqrfromgoogle ($urlToEncode);

function Generateqrfromgoogle ($chl, $widhtHeight = ' Max ', $EC _level= ' L ', $margin = ' 0 ')

{

$url = UrlEncode ($url);

Echo ';

}

?>

Generated two-dimensional code image:

2. Using PHP QR code to generate two-dimensional code images

PHP QR Code is an open source PHP two-dimensional code open source class library, based on the Libqrencode C library, and provides API code to create QR barcode images, support PNG, JPG format. Powerful and easy to use.

The demo code is as follows:

　　

Include "./phpqrcode/phpqrcode.php";

$value = "Http://www.weste.net";

$errorCorrectionLevel = "L";

$matrixPointSize = "4";

QRCode::p ng ($value, False, $errorCorrectionLevel, $matrixPointSize);

Exit

?>

Generated two-dimensional code image:

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