PHP生成二维码

<?php 
    include "phpqrcode/phpqrcode.php"; 
    $value="http://www.111cn.net"; 
    $errorCorrectionLevel = "L"; 
    $matrixPointSize = "4"; 
    QRcode::png($value, false, $errorCorrectionLevel, $matrixPointSize); 
    exit; 
?>

<?php 
    
//文件输出 
    include(‘phpqrcode/phpqrcode.php‘); 
    
// 二维码数据 
    $data = ‘http://www.111cn.net‘; 
    
// 生成的文件名 
    $filename = ‘1111.png‘; 
    
// 纠错级别：L、M、Q、H 
    $errorCorrectionLevel = ‘L‘; 
    
// 点的大小：1到10 
    $matrixPointSize = 4; 
    QRcode::png($data, $filename, $errorCorrectionLevel, $matrixPointSize, 2); 
?>

<?php 
    
//生成中间带logo的二维码 
    include(‘phpqrcode/phpqrcode.php‘); 
    $value=‘http://www.111cn.net‘; 
    $errorCorrectionLevel = ‘L‘; 
    $matrixPointSize = 10; 
    QRcode::png($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‘); 
?>