phpqrcode不能输出二维码

<span>header</span>('Content-Type: image/png'<span>);
</span><span>include_once</span> 'phpqrcode/qrlib.php'<span>;
</span><span>$a</span> = "http://www.play17.cn/play/wlogin.html"<span>;
</span><span>ob_clean</span><span>();
QRcode</span>::png(<span>$a</span>);

加入输出类型

<span>header</span>('Content-Type: image/png');

清除缓存ob_clean()

<span>ob_clean</span>();

以上就介绍了phpqrcode不能输出二维码，包括了方面的内容，希望对PHP教程有兴趣的朋友有所帮助。