Implementation code of php QR code program

The parameter description is as follows: http://chart.apis.google.com/chart? : Call the Google Chart API cht=qr: Select to produce QR code &chs=100×100: Size &chld=L|4: L represents the default error correction level; 4 represents the blank size of the QR code boundary, which can be adjusted by yourself. &chl=: QR code content What's very considerate is that this API supports get and post

2.php class library PHP QR Code PHP QR Code is open source (LGPL) library for generating QR Code, 2-dimensional barcode. Based on libqrencode C library, provides API for creating QR Code barcode images (PNG, JPEG thanks to GD2). Implemented purely in PHP, with no external dependencies (except GD2 if needed). Address: http://phpqrcode.sourceforge.net/ Download: http://sourceforge.net/projects/phpqrcode/ illustrate: To install simply include: qrlib.php for full version (also you have to provide all library files form package plus cache dir) OR phpqrcode.php for merged version (only one file, but slower and less accurate code because disabled cache and quicker masking configured)

Then use it as follows: QRcode::png(‘code data text’, ‘filename.png’); // creates file QRcode::png(‘some othertext 1234′); // creates code image and outputs it directly into browser example:

3.libqrencode

Address: http://fukuchi.org/works/qrencode/index.en.html For php support, please refer to: http://hirokawa.netflowers.jp/entry/4900/

4.QRcode Perl CGI & PHP scripts Address: http://www.swetake.com/qr/qr_cgi.html