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The example in this article describes an example of generating QRcode in PHP. Is a very useful function. Share it with everyone for your reference. The details are as follows:
The example demonstration effect is shown in the figure below:
The main function codes are as follows:
<?php ini_set('display_errors', 'on'); $PNG_TEMP_DIR = dirname(__FILE__).DIRECTORY_SEPARATOR.'temp'.DIRECTORY_SEPARATOR; $PNG_WEB_DIR = 'temp/'; include "qrlib.php"; // QRcode lib $data = 'demo qrcode'; // data $ecc = 'H'; // L-smallest, M, Q, H-best $size = 10; // 1-50 $filename = $PNG_TEMP_DIR.'qrcode_'.time().'.png'; QRcode::png($data, $filename, $ecc, $size, 2); chmod($filename, 0777); echo '<img src="'.$PNG_WEB_DIR.basename($filename).'" />'; ?>
PHP QRcode Lib click here to download from this website.
I hope this article will be helpful to everyone’s PHP programming design.
Just like in PHP, use \r to separate
.altmi.com';//Generated file name $filename=$errorCorrectionLevel.'|'.$matrixPointSize.'.png';//Error correction level: L, M, Q, H$errorCorrectionLevel=' L';//Point size: 1 to 10$matrixPointSize=4;QRcode::png($data,$filename,$errorCorrectionLevel,$matrixPointSize,2);Official use case: