草料二维码生成怎么用php代码实现

include ‘phpqrcode.php’; $value = ‘http://www.helloweba.com’; //二维码内容 $errorCorrectionLevel = ‘L’;//容错级别 $matrixPointSize=6;//生成图片大小//生成二维码图片QRcode::png($value, ‘qrcode.png’, $errorCorrectionLevel, $matrixPointSize, 2); $logo = ‘logo.png’;//准备好的logo图片 $QR{=}^{\prime }qrcode.pn{g}^{\prime };//已经生成的原始二维码图if($logo !== FALSE) { $QR=imagecreatefromstring(fil{e}_{g}e{t}_{c}ontents($QR)); $logo=imagecreatefromstring(fil{e}_{g}e{t}_{c}ontents($logo)); $Q{R}_{w}idth=imagesx($QR);//二维码图片宽度 $Q{R}_{h}eight=imagesy($QR);//二维码图片高度 $log{o}_{w}idth=imagesx($logo);//logo图片宽度 $log{o}_{h}eight=imagesy($logo);//logo图片高度 $logo_qr_width = $QR_width / 5; $scale = $log{o}_{w}idth/$logo_qr_width; $logo_qr_height = $log{o}_{h}eight/$scale; $fro{m}_{w}idth=($QR_width - $log{o}_q{r}_{w}idth)/2;//重新组合图片并调整大小imagecopyresampled($QR, $logo, $from_width, $from_width, 0, 0, $logo_qr_width, $logo_qr_height, $logo_width, KaTeX parse error: Expected 'EOF', got '}' at position 15: logo_height); }̲ //输出图片 imagepn…QR, ‘helloweba.png’); echo ‘’;