php generates QRcode instance, phpqrcode instance_PHP tutorial

php generates QRcode instance, phpqrcode instance

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:

<&#63;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).'" />'; 
&#63;>  

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: