Php generates QR code instance code

Php generates QR code instance code

What is a QR code? A qr code is a two-dimensional barcode. you can compile the URL, text, photos, and other information into a square-shaped barcode pattern using the corresponding encoding algorithm, mobile phone users can re-decode the related information and view the content through cameras and decoding software. # Two sentences: # put qrlib. php together with other files: files and folders. # Phpqrcode. php is a merged version. you only need to include this file, but the generated image is slow and inaccurate # the following two methods are provided: Include ('./phpqrcode. php '); // QR code data $ Data = 'http: // bbs.it-home.org '; // Generated file name $ Filename = $ errorCorrectionLevel. '| '.w.matrixpointsize.'.png '; // Error correction level: L, M, Q, H $ ErrorCorrectionLevel = 'l '; // Vertex size: 1 to 10 $ MatrixPointSize = 4; QRcode: png ($ data, $ filename, $ errorCorrectionLevel, $ matrixPointSize, 2 ); ?> # Create a QR code file QRcode: png ('code data text', 'filename.png '); // Creates file # Generating images to the browser QRcode: png ('Some othertext 1234 '); // Creates code image and outputs it directly into browser If you generate a colorful phpqrcode, you must manually modify it. the color setting part of the QRimage class image method in php. the version 1.1.4 contains lines 987th and 988, a foreground color and a background color: $ Col [0] = ImageColorAllocate ($ base_image, 255,255,255 ); $ Col [1] = ImageColorAllocate ($ base_image, 0, 0 ); For usage of QRcode, refer to the article: php generates a QR code library (QRCode method), and php generates a QR code image class QRcode. 2. use google open api to generate $ UrlToEncode = "http://bbs.it-home.org "; GenerateQRfromGoogle ($ urlToEncode ); Function generateQRfromGoogle ($ chlorophyll, $ widhtHeight = '000000', $ EC_level = 'l', $ margin = '0 ') { $ Url = urlencode ($ url ); Echo ''; } For details about how to generate a QR code using google APIs, refer to: php to call the google interface to generate a QR code instance. Address: http://phpqrcode.sourceforge.net/Download: http://sourceforge.net/projects/phpqrcode/ 3. libqrencode address: http://fukuchi.org/works/qrencode/index.en.html php support see: http://hirokawa.netflowers.jp/entry/4900/ 4. QRcode Perl CGI & PHP scripts address: http://www.swetake.com/qr/qr_cgi.html