PHP generates two-dimensional code

PHP Class library PHP QR code to implement, do not need to install additional PHP extension
First download the class library package, sometimes the address is not open
Address: http://phpqrcode.sourceforge.net/
Download: http://sourceforge.net/projects/phpqrcode/

When using the general introduction of phpqrcode.php files can be

Examples of specific use methods

Direct Browser output:

The code is as follows	Copy Code
<?php Include "phpqrcode/phpqrcode.php"; $value = "Http://www.111cn.net"; $errorCorrectionLevel = "L"; $matrixPointSize = "4"; QRCode::p ng ($value, False, $errorCorrectionLevel, $matrixPointSize); Exit ?>

Picture file output

The code is as follows	Copy Code
<?php File output Include (' phpqrcode/phpqrcode.php '); Two-dimensional code data $data = ' http://www.111cn.net '; The generated file name $filename = ' 1111.png '; Error correction level: L, M, Q, H $errorCorrectionLevel = ' L '; Size of point: 1 to 10 $matrixPointSize = 4; QRCode::p ng ($data, $filename, $errorCorrectionLevel, $matrixPointSize, 2); ?>

Create a two-dimensional code with logo in the middle

The code is as follows

Copy Code

<?php Create a two-dimensional code with logo in the middle Include (' phpqrcode/phpqrcode.php '); $value = ' http://www.111cn.net '; $errorCorrectionLevel = ' L '; $matrixPointSize = 10; QRCode::p ng ($value, ' xiangyang.png ', $errorCorrectionLevel, $matrixPointSize, 2); echo "QR code generated". " <br/> "; $logo = ' bdlogo.gif '; $QR = ' xiangyang.png '; if ($logo!== FALSE) { $QR = imagecreatefromstring (file_get_contents ($QR)); $logo = imagecreatefromstring (file_get_contents ($logo)); $QR _width = Imagesx ($QR); $QR _height = Imagesy ($QR); $logo _width = Imagesx ($logo); $logo _height = Imagesy ($logo); $logo _qr_width = $QR _width/5; $scale = $logo _width/$logo _qr_width; $logo _qr_height = $logo _height/$scale; $from _width = ($QR _width-$logo _qr_width)/2; Imagecopyresampled ($QR, $logo, $from _width, $from _width, 0, 0, $logo _qr_width, $logo _qr_height, $logo _width, $logo _ height); } Imagepng ($QR, ' xiangyanglog.png '); ?>

PHP generates two-dimensional code