PclZip::privWriteFileHeader

Advertisement

Syntax Syntax

PclZip::privWriteFileHeader( $p_header )

Source Source

File: wp-admin/includes/class-pclzip.php

  function privWriteFileHeader(&$p_header)
  {
    $v_result=1;

    // ----- Store the offset position of the file
    $p_header['offset'] = ftell($this->zip_fd);

    // ----- Transform UNIX mtime to DOS format mdate/mtime
    $v_date = getdate($p_header['mtime']);
    $v_mtime = ($v_date['hours']<<11) + ($v_date['minutes']<<5) + $v_date['seconds']/2;
    $v_mdate = (($v_date['year']-1980)<<9) + ($v_date['mon']<<5) + $v_date['mday'];

    // ----- Packed data
    $v_binary_data = pack("VvvvvvVVVvv", 0x04034b50,
	                      $p_header['version_extracted'], $p_header['flag'],
                          $p_header['compression'], $v_mtime, $v_mdate,
                          $p_header['crc'], $p_header['compressed_size'],
						  $p_header['size'],
                          strlen($p_header['stored_filename']),
						  $p_header['extra_len']);

    // ----- Write the first 148 bytes of the header in the archive
    fputs($this->zip_fd, $v_binary_data, 30);

    // ----- Write the variable fields
    if (strlen($p_header['stored_filename']) != 0)
    {
      fputs($this->zip_fd, $p_header['stored_filename'], strlen($p_header['stored_filename']));
    }
    if ($p_header['extra_len'] != 0)
    {
      fputs($this->zip_fd, $p_header['extra'], $p_header['extra_len']);
    }

    // ----- Return
    return $v_result;
  }

Advertisement

Advertisement

Leave a Reply