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<?php |
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/** |
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* User: delboy1978uk |
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* Date: 01/01/2017 |
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* Time: 19:58 |
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*/ |
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namespace Del\Form\Field; |
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use Del\Form\Renderer\Field\FileUploadRender; |
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use InvalidArgumentException; |
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use LogicException; |
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class FileUpload extends FieldAbstract implements FieldInterface |
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{ |
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/** @var string $uploadDirectory */ |
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private $uploadDirectory; |
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/** |
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* @return string |
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*/ |
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public function getTag() |
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{ |
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return 'input'; |
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} |
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public function init() |
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{ |
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$this->setAttribute('type', 'file'); |
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$this->setRenderer(new FileUploadRender()); |
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if ($this->hasUploadedFile()) { |
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$this->setValue($_FILES[$this->getName()]['name']); |
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} |
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} |
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/** |
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* @return bool |
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*/ |
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private function hasUploadedFile() |
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{ |
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return $this->isFileArraySet() && $this->isTempNameSet(); |
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} |
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/** |
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* @return bool |
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*/ |
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private function isFileArraySet() |
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{ |
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return isset($_FILES[$this->getName()]); |
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} |
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/** |
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* @return bool |
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*/ |
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private function isTempNameSet() |
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{ |
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return isset($_FILES[$this->getName()]['tmp_name']); |
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} |
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/** |
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* @param $path |
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* @return $this |
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*/ |
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public function setUploadDirectory($path) |
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{ |
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$path = realpath($path); |
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if (!is_dir($path) || !is_writable($path)) { |
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throw new InvalidArgumentException('Directory does not exist or is not writable.'); |
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} |
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$this->uploadDirectory = $path; |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function getUploadDirectory() |
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{ |
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return $this->uploadDirectory; |
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} |
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/** |
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* @return bool |
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*/ |
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public function hasUploadDirectory() |
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{ |
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return $this->uploadDirectory !== null; |
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} |
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/** |
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* @return bool |
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*/ |
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public function moveUploadToDestination() |
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{ |
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if (!$this->hasUploadDirectory()) { |
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throw new LogicException('No destination directory set using setUploadDirectory($path)'); |
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} |
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$tmp = $_FILES[$this->getName()]['tmp_name']; |
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$destination = $this->getUploadDirectory().DIRECTORY_SEPARATOR.$_FILES[$this->getName()]['name']; |
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$success = move_uploaded_file($tmp, $destination); |
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return $success; |
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} |
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} |
Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: