public function get_zip()
{
// Is there any data to return?
if ($this->entries === 0) {
return FALSE;
}
return $this->zipdata . $this->directory . "PK" . pack('v', $this->entries) . pack('v', $this->entries) . pack('V', strlen($this->directory)) . pack('V', strlen($this->zipdata)) . "";
// .zip file comment length
}