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<?php |
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namespace Nathanmac\Utilities\QRCode; |
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use Endroid\QrCode\QrCode; |
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class Generator |
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{ |
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/** |
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* Default Size |
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*/ |
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const DEFAULT_SIZE = 100; |
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/** |
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* Default Color |
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*/ |
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const DEFAULT_COLOR = '000000'; |
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/** |
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* Default background |
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* if false transparent |
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*/ |
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const DEFAULT_BACKGROUND = false; // Transparent |
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/** |
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* @var QrCode|null |
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*/ |
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protected $QRGenerator = null; |
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/** |
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* @var string |
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*/ |
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protected $content; |
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/** |
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* @var int |
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*/ |
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protected $size; |
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/** |
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* @var array |
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*/ |
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protected $color; |
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/** |
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* @var array |
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*/ |
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protected $backgroundColor; |
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/** |
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* Generator constructor. |
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* |
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* @param string $content |
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* @param int $size |
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* @param mixed $color |
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* @param mixed $background |
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*/ |
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public function __construct( |
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$content, |
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$size = self::DEFAULT_SIZE, |
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$color = self::DEFAULT_COLOR, |
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$background = self::DEFAULT_BACKGROUND |
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) { |
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$this->setContent($content); |
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$this->setSize($size); |
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$this->setColor($color); |
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$this->setBackgroundColor($background); |
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} |
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/** |
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* Generate QR Code |
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* |
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* @param string $content |
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* @param int $size |
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* @param mixed $color |
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* @param mixed $background |
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* |
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* @codeCoverageIgnore |
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* |
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* @return Generator |
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*/ |
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public static function generate( |
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$content, |
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$size = self::DEFAULT_SIZE, |
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$color = self::DEFAULT_COLOR, |
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$background = self::DEFAULT_BACKGROUND |
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) { |
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return (new self($content, $size, $color, $background)) |
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->create(); |
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} |
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/** |
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* Gets the content |
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* |
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* @return string |
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*/ |
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public function getContent() |
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{ |
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return $this->content; |
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} |
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/** |
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* Sets the content |
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* |
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* @param string $content |
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*/ |
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public function setContent($content) |
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{ |
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$this->content = str_replace('+', ' ', $content);; |
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} |
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/** |
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* Gets the size |
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* |
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* @return int |
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*/ |
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public function getSize() |
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{ |
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return $this->size; |
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} |
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/** |
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* Sets the size |
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* |
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* @param int $size |
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*/ |
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public function setSize($size) |
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{ |
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if (is_numeric($size) && $size > 0) $this->size = (int) $size; |
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} |
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/** |
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* Gets the color |
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* |
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* @return array |
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*/ |
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public function getColor() |
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{ |
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return $this->color; |
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} |
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/** |
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* Sets the color |
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* |
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* @param mixed $color |
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*/ |
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public function setColor($color) |
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{ |
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$this->color = $this->processColor($color, self::DEFAULT_COLOR); |
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} |
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/** |
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* Gets the background color |
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* |
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* @return array |
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*/ |
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public function getBackgroundColor() |
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{ |
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return $this->backgroundColor; |
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} |
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/** |
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* Sets the background color |
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* |
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* @param mixed $backgroundColor |
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*/ |
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public function setBackgroundColor($backgroundColor) |
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{ |
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$this->backgroundColor = $this->processColor($backgroundColor, self::DEFAULT_BACKGROUND); |
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} |
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/** |
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* Process the Color Value |
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* |
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* @param mixed $color |
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* @param mixed $default |
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* |
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* @return array |
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*/ |
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protected function processColor($color, $default) |
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{ |
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// Transparent |
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if (false === $color) { |
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return array('r' => 255, 'g' => 255, 'b' => 255, 'a' => 255); |
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} |
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if (! preg_match("/^([0-9a-fA-F]{6}|[0-9a-fA-F]{3})$/", $color)) { |
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$color = $default; |
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} |
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if (strlen($color) === 6) { |
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return array( |
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'r' => hexdec(substr($color, 0, 2)), |
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'g' => hexdec(substr($color, 2, 2)), |
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'b' => hexdec(substr($color, 4, 2)), |
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'a' => 0 |
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); |
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} |
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// Length of 3 |
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return array( |
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'r' => hexdec(substr($color, 0, 1) . substr($color, 0, 1)), |
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'g' => hexdec(substr($color, 1, 1) . substr($color, 1, 1)), |
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'b' => hexdec(substr($color, 2, 1) . substr($color, 2, 1)), |
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'a' => 0 |
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); |
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} |
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/** |
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* Generates a QRCode |
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* |
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* @return QrCode |
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* |
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* @throws \Endroid\QrCode\Exceptions\ImageFunctionUnknownException |
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*/ |
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public function create() |
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{ |
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return $this->getGenerator() |
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->setText($this->getContent()) |
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->setSize($this->getSize()) |
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->setPadding(10) |
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->setErrorCorrection('high') |
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->setForegroundColor($this->getColor()) |
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->setBackgroundColor($this->getBackgroundColor()) |
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->render(); |
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} |
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/** |
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* Returns the QRCode Generator Instance |
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* |
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* @codeCoverageIgnore |
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* |
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* @return QrCode |
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*/ |
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protected function getGenerator() |
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{ |
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if (is_null($this->QRGenerator)) |
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$this->QRGenerator = new QrCode(); |
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return $this->QRGenerator; |
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} |
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} |