PHP generates a QR code instance with LOGO image based on phpqrcode

This article describes how PHP generates two-dimensional codes with LOGO images based on phpqrcode. it can generate two types of QR codes with logo and without logo, which is very simple and practical, for more information about how to generate a QR code with a LOGO image based on phpqrcode, see the example in this article. Share it with you for your reference. The details are as follows:

PHP uses phpqrcode to generate a QR code with a LOGO image. it is easy to use. the code contains a standard QR code without a Logo and a QR code with a Logo. you can modify the code according to the annotations.

<? Phpinclude ('phpqrcode. php '); $ value = 'http: // www.codesc.net'; // QR code data $ errorCorrectionLevel = 'l'; // error correction level: l, M, Q, H $ matrixPointSize = 10; // The size of the two-dimensional code points: 1 to 10 QRcode: png ($ value, 'ewm.png ', $ errorCorrectionLevel, $ matrixPointSize, 2); // the file name without the Logo QR code echo "generated by the QR code "."
"; $ Logo = 'emwlogo.gif '; // the Logo image to be displayed in the QR code $ QR = 'ewm.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-$ l Ogo_qr_width)/2; imagecopyresampled ($ QR, $ logo, $ from_width, $ from_width, 0, 0, $ logo_qr_width, $ logo_qr_height, $ logo_width, $ logo_height );} imagepng ($ QR, 'ewmlogo.png '); // file name with Logo QR code?>

I hope this article will help you with php programming.