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<?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
}
?>

source