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<?php |
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namespace LeKoala\FilePond; |
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use ReflectionClass; |
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use InvalidArgumentException; |
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use SilverStripe\Assets\File; |
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use SilverStripe\Assets\Image; |
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use SilverStripe\Control\HTTP; |
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use SilverStripe\Assets\Upload; |
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use SilverStripe\ORM\DataObject; |
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use SilverStripe\Assets\FileNameFilter; |
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/** |
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* This trait adds convenience methods and extra features to our standard uploader like: |
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* - More useful default description |
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* - Rename file with a pattern |
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* - Default folder |
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*/ |
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trait ImprovedUploader |
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{ |
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/** |
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* @var string |
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*/ |
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protected $renamePattern; |
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/** |
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* @var boolean |
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*/ |
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protected $showDescriptionSize = true; |
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/** |
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* Array of accepted file types. |
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* Can be mime types or wild cards. For instance ['image/*'] |
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* will accept all images. ['image/png', 'image/jpeg'] |
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* will only accepts PNGs and JPEGs. |
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* |
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* @return array<string> |
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*/ |
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public function getAcceptedFileTypes() |
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{ |
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$validator = $this->getValidator(); |
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$extensions = $validator->getAllowedExtensions(); |
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$mimeTypes = HTTP::config()->uninherited('MimeTypes'); |
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$arr = []; |
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foreach ($extensions as $ext) { |
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if (isset($mimeTypes[$ext])) { |
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$arr[] = $mimeTypes[$ext]; |
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} |
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} |
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$arr = array_unique($arr); |
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return $arr; |
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} |
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/** |
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* Set default description |
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* |
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* @param string $relation Type of relation, eg Image or File |
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* @param DataObject $record A related record |
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* @param string $name Relation name, eg "Logo" |
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* @return string |
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*/ |
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protected function setDefaultDescription($relation, $record = null, $name = null) |
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{ |
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$desc = ''; |
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if ($this->showDescriptionSize) { |
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$size = File::format_size($this->getValidator()->getAllowedMaxFileSize()); |
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$desc .= _t('ImprovedUploader.MAXSIZE', 'Max file size: {size}', ['size' => $size]); |
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} |
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if ($relation == Image::class) { |
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// do we have a preferred size set on the record? |
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if ($record) { |
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$sizes = $record->config()->image_sizes; |
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if ($sizes && isset($sizes[$name])) { |
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if ($desc) { |
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$desc .= '; '; |
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} |
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// It is an array with two keys |
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$size = $sizes[$name][0] . 'x' . $sizes[$name][1]; |
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if (isset($sizes[$name][2]) && $sizes[$name][2] == 'max') { |
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$desc .= _t('ImprovedUploader.MAXRESOLUTION', 'Maximum resolution: {size}px', ['size' => $size]); |
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} else { |
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$desc .= _t('ImprovedUploader.MINRESOLUTION', 'Minimum resolution: {size}px', ['size' => $size]); |
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} |
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} |
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} |
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} |
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// Only show meaningful list of extensions |
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$extensions = $this->getAllowedExtensions(); |
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if (count($extensions) < 7) { |
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if ($desc) { |
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$desc .= '; '; |
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} |
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$desc .= _t('ImprovedUploader.ALLOWEXTENSION', 'Allowed extensions: {ext}', array('ext' => implode(',', $extensions))); |
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} |
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$this->description = $desc; |
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} |
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/** |
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* @return string |
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*/ |
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protected function getDefaultFolderName() |
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{ |
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// There is no record, use default upload folder |
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if (!$this->record) { |
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return Upload::config()->uploads_folder; |
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} |
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// The record can determine its own upload folder |
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if ($this->record->hasMethod('getFolderName')) { |
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return $this->record->getFolderName(); |
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} |
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// Have a sane default for others |
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$class = (new ReflectionClass($this->record))->getShortName(); |
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$name = $this->getSafeName(); |
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return $class . '/' . $name; |
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} |
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/** |
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* Apply a pattern set with setRenamePattern |
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* |
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* This is more easily applied directly on the temp file array |
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* where you can change the "name" key |
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* |
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* @param string $originalName The name of the file |
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* @param string $pattern |
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* @return string The filename |
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*/ |
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protected function changeFilenameWithPattern($originalName, $pattern) |
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{ |
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// name of file, with extension |
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$name = pathinfo($originalName, PATHINFO_BASENAME); |
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// name of file, without extension |
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$filename = pathinfo($originalName, PATHINFO_FILENAME); |
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$extension = pathinfo($originalName, PATHINFO_EXTENSION); |
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$field = $this->getSafeName(); |
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$map = [ |
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'{name}' => $name, |
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'{basename}' => $name, |
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'{filename}' => $filename, |
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'{extension}' => $extension, |
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'{timestamp}' => time(), |
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'{date}' => date('Ymd'), |
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'{datetime}' => date('Ymd_His'), |
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'{field}' => $field, |
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]; |
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$search = array_keys($map); |
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$replace = array_values($map); |
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$replacedName = str_replace($search, $replace, $pattern); |
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// Ensure end result is valid |
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$filter = new FileNameFilter; |
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$replacedName = $filter->filter($replacedName); |
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return $replacedName; |
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} |
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/** |
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* Get the value of renamePattern |
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* |
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* @return string |
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*/ |
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public function getRenamePattern() |
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{ |
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return $this->renamePattern; |
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} |
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/** |
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* Rename pattern can use the following variables: |
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* - {field} |
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* - {name} |
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* - {basename} |
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* - {extension} |
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* - {timestamp} |
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* - {date} |
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* - {datetime} |
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* |
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* A pattern should contain at least {name} or a dot |
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* |
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* @param string $renamePattern |
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* @return $this |
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*/ |
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public function setRenamePattern($renamePattern) |
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{ |
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// Basic check for extension |
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if (strpos($renamePattern, '.') === false && strpos($renamePattern, '{name}') === false) { |
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throw new InvalidArgumentException("Pattern $renamePattern should contain an extension"); |
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} |
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$this->renamePattern = $renamePattern; |
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return $this; |
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} |
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/** |
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* Get safe name even for multi uploads |
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* |
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* @return string |
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*/ |
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public function getSafeName() |
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{ |
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return str_replace('[]', '', $this->getName()); |
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} |
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/** |
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* A simple alias that makes the IDE happy |
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* |
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* @param int $ID |
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* @return File|Image|null |
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*/ |
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protected function getFileByID($ID) |
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{ |
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return File::get()->byID($ID); |
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} |
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/** |
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* Convert an array of file to a single file |
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* |
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* This is useful for multi uploads |
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* |
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* @param array $tmpFile |
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* @return array |
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*/ |
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protected function normalizeTempFile($tmpFile) |
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{ |
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$newTmpFile = []; |
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foreach ($tmpFile as $k => $v) { |
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if (is_array($v)) { |
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$v = $v[0]; |
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} |
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$newTmpFile[$k] = $v; |
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} |
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return $newTmpFile; |
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} |
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} |
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