CI_Zip::_add_dir PHP Method

_add_dir() protected method

Add Directory
protected _add_dir ( string $dir, integer $file_mtime, integer $file_mdate ) : void
$dir string the directory name
$file_mtime integer
$file_mdate integer
return void
    protected function _add_dir($dir, $file_mtime, $file_mdate)
    {
        $dir = str_replace('\\', '/', $dir);
        $this->zipdata .= "PK\n" . pack('v', $file_mtime) . pack('v', $file_mdate) . pack('V', 0) . pack('V', 0) . pack('V', 0) . pack('v', strlen($dir)) . pack('v', 0) . $dir . pack('V', 0) . pack('V', 0) . pack('V', 0);
        // uncompressed filesize
        $this->directory .= "PK\n" . pack('v', $file_mtime) . pack('v', $file_mdate) . pack('V', 0) . pack('V', 0) . pack('V', 0) . pack('v', strlen($dir)) . pack('v', 0) . pack('v', 0) . pack('v', 0) . pack('v', 0) . pack('V', 16) . pack('V', $this->offset) . $dir;
        $this->offset = strlen($this->zipdata);
        $this->entries++;
    }