<?php
class backup {
    private $zip;
    public static $backup       = 'backup.zip';
    public static $bDirectory   = 'C:/Web Directory/Lafcheta/';
    public static $exception    = array(".","..");
    private function directory_indexing($directory) {
        if ( is_dir($directory) ) {
            $handle = opendir($directory);
            while ( ( $file = readdir($handle) ) != false ) {
                if ( !in_array($file,self::$exception) ) {
                    echo 'Adding file '.$directory."/".$file.'<br />';
                    $this->zip->addFile($directory."/".$file,$directory."/".$file);
                    if ( is_dir($directory."/".$file) ) {
                        $this->zip->addEmptyDir($directory."/".$file);
                        $this->directory_indexing($directory."/".$file);
                    }
                }
            }
        }
    }
    public function create() {
        $this->zip = new ZipArchive;
        echo ( $this->zip->open(self::$backup,ZIPARCHIVE::CREATE) == true ? 'true' : 'false');
        $this->directory_indexing(self::$bDirectory);
    }
}

$backup = new backup;
$backup->create();