File::moveUploadedFile() 

\nn\t3::File()->moveUploadedFile($src = NULL, $dest = NULL); 

Eine Upload-Datei ins Zielverzeichnis verschieben.

Kann absoluter Pfad zur tmp-Datei des Uploads sein – oder ein TYPO3\CMS\Core\Http\UploadedFile, das sich im Controller über $this->request->getUploadedFiles() holen lässt.

\nn\t3::File()->moveUploadedFile('/tmp/xjauGSaudsha', 'fileadmin/bild-kopie.jpg');
\nn\t3::File()->moveUploadedFile( $fileObj, 'fileadmin/bild-kopie.jpg');
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| @return string

Source Code 

public function moveUploadedFile($src = null, $dest = null)
{
	$dest = $this->uniqueFilename($this->absPath($dest));
	if (!$this->isAllowed($dest)) {
		\nn\t3::Exception('\nn\t3::File()->moveUploadedFile() :: Filetype not allowed.');
		return false;
	}
	if (!is_string($src) && is_a($src, \TYPO3\CMS\Core\Http\UploadedFile::class)) {
		if ($stream = $src->getStream()) {
			$handle = fopen($dest, 'wb+');
			if ($handle === false) return false;
			$stream->rewind();
			while (!$stream->eof()) {
				$bytes = $stream->read(4096);
				fwrite($handle, $bytes);
			}
			fclose($handle);
		}
	} else {
		$src = $this->absPath($src);
		move_uploaded_file($src, $dest);
	}
	if (file_exists($dest)) {
		return $dest;
	}
	return false;
}
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