PHP API to obtain QR code and combine to generate pictures

public function test()
{
    

    $template = ROOT_PATH . "public/uploads/back.png";
    $x = "70";
    $y = "30";
    $code = [" Shangqin building "," Every two years ","112233"];
    
	$qrcode = $this->create_qrcode($mac,$type);
    $qrcode_url = ROOT_PATH . "public/uploads/".$v['mac']."_qrcode.png";
    $curl = new Curl();
    $curl->download($qrcode, $qrcode_url);

    $filename = $addr."_".$name."_".$mac;
    $pic = $this->getActivityImg($template, $qrcode_url, $x, $y, $code, time(), $filename);
    $pic = "/public" .explode("public",$pic)[1];
    
    return $pic;
}
/** * api Generate qr code （ Test use ） * @param string $mac  equipment MAC * @param string $type  equipment TYPE */
public function create_qrcode($mac,$type)
{
    
    $ip = empty($ip) ? $_SERVER['HTTP_HOST'] : $ip;
    $port = empty($port) ? $_SERVER['SERVER_PORT'] : $port;
    $mac = empty($mac) ? "112233445566" : $mac;
    $type = empty($type) ? "0A" : $type;
    $data =  ["ip"=>$ip,"port"=>$port,"mac"=>$mac,"type"=>$type];
    $data = json_encode($data);

    $http = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] && $_SERVER['HTTPS'] != 'off') ? 'https' : 'http';
    //$url=urlencode("{$http}://{$ip}:{$port}/?m=Index&c=index&a=index_qu&mac={$mac}&type={$type}");
    // $url=urlencode("{$http}://{$_SERVER['HTTP_HOST']}:{$_SERVER['SERVER_PORT']}/?ip={$ip}&port={$port}&mac={$mac}&type={$type}");
    $url=urlencode("{
      $data}");

    $qrcode = 'https://api.qrserver.com/v1/create-qr-code/?size=180x180&data=' . $url; 

    return $qrcode;
}

/** *  Combine QR codes to generate pictures  * * @param [type] $template  Background map  * @param [type] $qr_url  QR code address  * @param [type] $x x Axis coordinates  * @param [type] $y y Axis coordinates  * @param [type] $code  Picture caption  * @param [type] $jointime  Creation time  * @param [type] $mac mac * @return void */
private function getActivityImg($template, $qr_url, $x, $y, $code, $jointime, $filename) {
    
    $time = date("Ym", $jointime);
    
    // Create folder 
    // $dir = iconv("UTF-8", "GBK", ROOT_PATH."public/uploads/" . $time . "");
    $dir = iconv("UTF-8", "GBK", ROOT_PATH."public/uploads/");
    if (!file_exists($dir)) {
    
        mkdir($dir, 0777, true);
    }

    // Synthetic band logo The two-dimensional code picture of   Template image --------------start
    $path_1 = $template;
    $path_2 = $qr_url;
    $image_1 = imagecreatefrompng($path_1);
    $image_2 = imagecreatefrompng($path_2);
    // $image_2 = imagecreatefromstring(file_get_contents($path_2));

    $image_3 = imageCreatetruecolor(imagesx($image_1), imagesy($image_1));
    $color = imagecolorallocate($image_3, 0, 0, 0);

    // Add words to the picture 
    $font_file = ROOT_PATH . "public/static/fonts/simkai.ttf"; // The font file 
    $font_color_1 = ImageColorAllocate($image_1, 100, 100, 100);
    imagettftext($image_1, 20, 0, 50, 300, $font_color_1, $font_file, " Location :" . $code[0]); // Add text 
    imagettftext($image_1, 20, 0, 50, 350, $font_color_1, $font_file, " name :" . $code[1]);
    imagettftext($image_1, 20, 0, 50, 400, $font_color_1, $font_file, "MAC :" . $code[2]);
    imageline($image_1, 100, 100, 100, 100, $font_color_1);
    // Add words to the picture end

    imagefill($image_3, 0, 0, $color);
    imageColorTransparent($image_3, $color);
    imagecopyresampled($image_3, $image_1, 0, 0, 0, 0, imagesx($image_1), imagesy($image_1), imagesx($image_1), imagesy($image_1));

    imagecopymerge($image_3, $image_2, $x, $y, 0, 0, imagesx($image_2), imagesy($image_2), 100);

    // Synthetic band logo The two-dimensional code picture of   Template image --------------end

    // Output to local folder 
    $source = ROOT_PATH.'public/uploads/' . $filename . '.png'; // Original picture 
    $EchoPath = ROOT_PATH.'public/uploads/'. $filename .'.jpg'; // Compressed picture 

    imagepng($image_3, $source);
    $this->handlePic($source);
    imagedestroy($image_3);

    unlink($source);
    unlink($path_2);

    // Return generated path 
    return $EchoPath;
}

/** *  Picture compression  * @param $srcPathName */
public function handlePic($srcPathName)
{
    

    $srcFile = $srcPathName;
    $srcFileExt = strtolower(trim(substr(strrchr($srcFile, '.'), 1)));
    if ($srcFileExt == 'png') {
    
        $dstFile = str_replace('.png', '.jpg', $srcPathName);
        $photoSize = GetImageSize($srcFile);
        $pw = $photoSize[0];
        $ph = $photoSize[1];
        $dstImage = ImageCreateTrueColor($pw, $ph);
        imagecolorallocate($dstImage, 255, 255, 255);
        // Read the picture 
        $srcImage = ImageCreateFromPNG($srcFile);
        // Collage picture 
        imagecopyresampled($dstImage, $srcImage, 0, 0, 0, 0, $pw, $ph, $pw, $ph);
        imagejpeg($dstImage, $dstFile, 70);
        imagedestroy($srcImage);
    }
}