N98\Util\Filesystem::recursiveCopy PHP Method

    public function recursiveCopy($src, $dst, $blacklist = array())
    {
        if (!is_dir($dst)) {
            @mkdir($dst, 0777, true);
        }
        if (!is_dir($dst)) {
            throw new RuntimeException(sprintf('Destination directory <%s> error', $dst));
        }
        $handle = opendir($src);
        if (!$handle) {
            throw new RuntimeException(sprintf('Source directory <%s> error', $src));
        }
        $skip = array_merge(array(".", ".."), $blacklist);
        $stack = array();
        while (false !== ($file = readdir($handle))) {
            if (in_array($file, $skip)) {
                continue;
            }
            if (is_dir($src . '/' . $file)) {
                $stack[] = $file;
            } else {
                copy($src . '/' . $file, $dst . '/' . $file);
            }
        }
        closedir($handle);
        foreach ($stack as $file) {
            $this->recursiveCopy($src . '/' . $file, $dst . '/' . $file, $blacklist);
        }
    }

 public function testRecursiveCopyWithBlacklist()
 {
     $tmp = sys_get_temp_dir();
     $basePath = $tmp . "/n98_testdir";
     $folder1 = $basePath . "/folder1";
     $folder2 = $basePath . "/folder2";
     $file1 = $folder1 . "/file1.txt";
     $ignoreMe = $folder1 . "/ignore.me";
     $file2 = $folder2 . "/file2.txt";
     $dest = sys_get_temp_dir() . "/n98_copy_dest";
     @mkdir($folder1, 0777, true);
     @mkdir($folder2, 0777, true);
     touch($file1);
     touch($file2);
     $this->fileSystem->recursiveCopy($basePath, $dest, array('ignore.me'));
     $this->assertFileExists($dest . "/folder1/file1.txt");
     $this->assertFileExists($dest . "/folder2/file2.txt");
     $this->assertFileNotExists($dest . "/folder1/ignore.me");
     //cleanup
     unlink($file1);
     unlink($file2);
     rmdir($folder1);
     rmdir($folder2);
     rmdir($basePath);
     unlink($dest . "/folder1/file1.txt");
     unlink($dest . "/folder2/file2.txt");
     rmdir($dest . "/folder1");
     rmdir($dest . "/folder2");
     rmdir($dest);
 }