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<?php |
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namespace Kambo\Http\Message; |
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// \Spl |
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use RuntimeException; |
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use InvalidArgumentException; |
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// \Psr |
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use Psr\Http\Message\UploadedFileInterface; |
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// \Http\Message |
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use Kambo\Http\Message\Stream; |
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use Kambo\Http\Message\Utils\UploadFile; |
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/** |
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* Value object representing a file uploaded through an HTTP request. |
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* |
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* Instances of this interface are immutable; all methods that might change |
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* state retain the internal state of the current instance and return |
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* an instance that contains the changed state. |
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* |
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* @package Kambo\Http\Message |
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* @author Bohuslav Simek <[email protected]> |
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* @license MIT |
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*/ |
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class UploadedFile implements UploadedFileInterface |
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{ |
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/** |
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* Flag signaling that the file has been moved |
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* |
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* @var boolean |
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*/ |
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private $moved = false; |
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/** |
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* Size of the file |
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* |
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* @var int|null |
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*/ |
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private $size; |
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/** |
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* File error code |
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* |
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* @var int |
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*/ |
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private $error; |
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/** |
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* The file media type provided by the client. |
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* |
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* @var string|null |
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*/ |
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private $clientMediaType; |
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/** |
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* The filename provided by the client. |
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* |
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* @var string|null |
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*/ |
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private $clientName; |
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/** |
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* The full path to the uploaded file provided by the client. |
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* |
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* @var string |
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*/ |
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private $file; |
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/** |
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* Stream representation of the uploaded file. |
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* |
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* @var StreamInterface |
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*/ |
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private $stream; |
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/** |
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* Simple wrapper for methods connected with upload eg.: is_uploaded_file |
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* |
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* @var UploadFile |
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*/ |
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private $uploadFile; |
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/** |
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* Construct a new UploadedFile instance. |
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* |
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* @param string $file The full path to the uploaded file provided by the client. |
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* @param string|null $clientName The filename provided by the client. |
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* @param string|null $clientMediaType The file media type provided by the client. |
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* @param int|null $size The file size in bytes. |
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* @param int $error The UPLOAD_ERR_XXX code representing the status of the upload. |
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*/ |
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public function __construct( |
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$file, |
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$clientName, |
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$clientMediaType, |
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$size, |
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$error, |
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$uploadFile = null |
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) { |
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$this->file = $file; |
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$this->clientName = $clientName; |
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$this->clientMediaType = $clientMediaType; |
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$this->size = $size; |
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$this->error = $error; |
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if (isset($uploadFile)) { |
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$this->uploadFile = $uploadFile; |
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} else { |
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$this->uploadFile = new UploadFile(); |
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} |
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} |
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/** |
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* Retrieve a stream representing the uploaded file. |
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* |
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* This method return a StreamInterface instance, representing the |
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* uploaded file. The purpose of this method is to allow utilizing native PHP |
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* stream functionality to manipulate the file upload, such as |
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* stream_copy_to_stream() (though the result will need to be decorated in a |
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* native PHP stream wrapper to work with such functions). |
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* |
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* If the moveTo() method has been called previously, this method will raise |
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* an exception. |
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* |
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* @return StreamInterface Stream representation of the uploaded file. |
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* |
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* @throws \RuntimeException in cases when no stream is available or can be |
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* created. |
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*/ |
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public function getStream() |
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{ |
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if ($this->moved) { |
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throw new \RuntimeException(sprintf('Uploaded file %1s has already been moved', $this->clientName)); |
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} |
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if ($this->stream === null) { |
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$this->stream = new Stream(fopen($this->file, 'r')); |
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} |
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return $this->stream; |
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} |
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/** |
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* Move the uploaded file to a new location. |
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* |
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* Use this method as an alternative to move_uploaded_file(). This method is |
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* guaranteed to work in both SAPI and non-SAPI environments. |
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* Implementations must determine which environment they are in, and use the |
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* appropriate method (move_uploaded_file(), rename(), or a stream |
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* operation) to perform the operation. |
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* |
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* $targetPath may be an absolute path, or a relative path. If it is a |
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* relative path, resolution should be the same as used by PHP's rename() |
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* function. |
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* |
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* The original file or stream is removed on completion. |
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* |
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* If this method is called more than once, any subsequent calls MUST raise |
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* an exception. |
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* |
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* When used in an SAPI environment where $_FILES is populated, when writing |
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* files via moveTo(), is_uploaded_file() and move_uploaded_file() are |
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* used to ensure permissions and upload status are verified correctly. |
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* |
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* If you wish to move to a stream, use getStream(), as SAPI operations |
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* cannot guarantee writing to stream destinations. |
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* |
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* @see http://php.net/is_uploaded_file |
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* @see http://php.net/move_uploaded_file |
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* |
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* @param string $targetPath Path to which to move the uploaded file. |
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* |
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* @throws \InvalidArgumentException if the $path specified is invalid. |
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* @throws \RuntimeException on any error during the move operation, or on |
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* the second or subsequent call to the method. |
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*/ |
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public function moveTo($targetPath) |
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{ |
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if ($this->moved) { |
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throw new RuntimeException('Uploaded file already moved'); |
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} |
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if (!is_writable(dirname($targetPath))) { |
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throw new InvalidArgumentException('Upload target path is not writable'); |
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} |
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if (!$this->uploadFile->is($this->file)) { |
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throw new RuntimeException(sprintf('%1s is not a valid uploaded file', $this->file)); |
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} |
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if (!$this->uploadFile->move($this->file, $targetPath)) { |
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throw new RuntimeException( |
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sprintf('Error moving uploaded file %1s to %2s', $this->clientName, $targetPath) |
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); |
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} |
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$this->moved = true; |
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} |
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/** |
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* Retrieve the file size. |
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* |
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* Implementations returns the value stored in the "size" key of |
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* the file in the $_FILES array if available, as PHP calculates this based |
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* on the actual size transmitted. |
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* |
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* @return int|null The file size in bytes or null if unknown. |
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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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* Retrieve the error associated with the uploaded file. |
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* |
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* The return value is one of PHP's UPLOAD_ERR_XXX constants. |
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* |
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* If the file was uploaded successfully, this method return UPLOAD_ERR_OK. |
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* |
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* Implementation returns the value stored in the "error" key of |
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* the file in the $_FILES array. |
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* |
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* @see http://php.net/manual/en/features.file-upload.errors.php |
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* |
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* @return int One of PHP's UPLOAD_ERR_XXX constants. |
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*/ |
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public function getError() |
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{ |
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return $this->error; |
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} |
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/** |
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* Retrieve the filename sent by the client. |
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* |
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* Do not trust the value returned by this method. A client could send |
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* a malicious filename with the intention to corrupt or hack your |
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* application. |
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* |
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* Implementation returns the value stored in the "name" key of |
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* the file in the $_FILES array. |
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* |
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* @return string|null The filename sent by the client or null if none |
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* was provided. |
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*/ |
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public function getClientFilename() |
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{ |
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return $this->clientName; |
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} |
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/** |
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* Retrieve the media type sent by the client. |
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* |
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* Do not trust the value returned by this method. A client could send |
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* a malicious media type with the intention to corrupt or hack your |
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* application. |
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* |
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* Implementation returns the value stored in the "type" key of |
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* the file in the $_FILES array. |
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* |
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* @return string|null The media type sent by the client or null if none |
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* was provided. |
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*/ |
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public function getClientMediaType() |
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{ |
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return $this->clientMediaType; |
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} |
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} |
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Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..