public function addRootFile($path){
		$rootFile = $this->dom->rootfiles->addChild('rootfile');
		$rootFile['full-path'] = $path;
		$rootFile['media-type'] = 'application/oebps-package+xml';
	}
public function addRootFile($path){
		$rootFile = $this->dom->rootfiles->addChild('rootfile');
		$rootFile['full-path'] = $path;
		$rootFile['media-type'] = 'application/oebps-package+xml';
	}
public function addRootFile ( $ path ) { $ rootFile = $ this -> dom -> rootfiles -> addChild ( 'rootfile' ) ; $ rootFile [ 'full-path' ] = $ path ; $ rootFile [ 'media-type' ] = 'application/oebps-package+xml' ; }
Set root file element

@param string $path
Set root file element