PHP Zip file creation, OOP

<?php
	/*
		By: 		Matt Ford
 
		Purpose:	Basic class to create zipfiles
	*/
 
 
 
class zipFile {
	public $files = array();
	public $settings = NULL;
	public $fileInfo = array (
			"name" => "",
			"numFiles" => 0,
			"fullFilePath" => ""
		);
	private $fileHash = "";
	private $zip = "";
 
	public function __construct($settings) {
		$this->zipFile($settings);
	}
 
	public function zipFile($settings) {
		$this->zip = new ZipArchive();
		$this->settings = new stdClass();
 
 
		foreach ($settings as $k => $v) {
			$this->settings->$k = $v;
		}
	}
 
	public function create() {
		$this->fileHash = md5(implode(",", $this->files));
		$this->fileInfo["name"] = $this->fileHash . ".zip";
		$this->fileInfo["numFiles"] = count($this->files);
		$this->fileInfo["fullFilePath"] = $this->settings->path . "/" . $this->fileInfo["name"];
		if (file_exists($this->fileInfo["fullFilePath"])) {
			return array (
					false,
					"already created: " . $this->fileInfo["fullFilePath"]
					);
		}
		else {
			$this->zip->open($this->fileInfo["fullFilePath"], ZIPARCHIVE::CREATE);
			$this->addFiles();
			$this->zip->close();
			return array (
					true,
					"new file created: " . $this->fileInfo["fullFilePath"]
					);
		}
	}
 
	private function addFiles() {
		foreach ($this->files as $k) {
			$this->zip->addFile($k, basename($k));
		}
	}
}
 
 
$settings = array (
		"path" => dirname(__FILE__)
	);
 
$zipFile = new zipFile($settings);
 
 
$zipFile->files = array (
		"./images/navoff.jpg",
		"./images/navon.jpg"
	);
 
list($success, $error) = $zipFile->create();
 
if ($success === true) {
	//success
}
else {
	//error because: $error
}
?>