PHP combined with Phpqrcode to generate two-dimensional code with image logo

PHP generation with logo of the QR code, perhaps a lot of experts have been implemented, but did not pay much attention to this aspect, this paragraph has a small project to use the two-dimensional code generation, index to check some information, send some have a PHP class library Phpqrcode to generate this two-dimensional code is very convenient, the index tested a bit, Below to use their own usage and code to share with the novice, I hope the master encouragement Oh.

Build effect: Logo image in the middle

First you need to download this class library package, or I will attach this class library behind, the specific use of code:

1, the basic two-dimensional code generation unit, the direct output of the standard two-dimensional code:

2, the generation of standard QR code and logo of the two-dimensional code:

 "; $logo = ' emwlogo.gif ';//needs to be displayed in the QR Code of the logo image $qr = ' ewmlogo.png ';//generate a logo with a QR code file name if ($logo!== FALSE) {$QR = Imagecreatef    Romstring (file_get_contents ($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, $logo _heig HT);} Imagepng ($QR, ' ewmlogo.png ');? >

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The above describes the PHP combined with Phpqrcode to generate a picture logo QR code, including the aspects of the content, I hope that the PHP tutorial interested in a friend helpful.

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