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функция не описана

PclZip::privMerge() public WP 1.0

Function : privMerge() Description : If $p_archive_to_add does not exist, the function exit with a success result. Parameters : Return Values :

Это метод класса: PclZip{}

Хуков нет.

Возвращает

Null. Ничего.

Использование

$PclZip = new PclZip();
$PclZip->privMerge( $p_archive_to_add );

Код PclZip::privMerge() WP 5.5.1

wp-admin/includes/class-pclzip.php
<?php
function privMerge(&$p_archive_to_add)
{
  $v_result=1;

  // ----- Look if the archive_to_add exists
  if (!is_file($p_archive_to_add->zipname))
  {

    // ----- Nothing to merge, so merge is a success
    $v_result = 1;

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

  // ----- Look if the archive exists
  if (!is_file($this->zipname))
  {

    // ----- Do a duplicate
    $v_result = $this->privDuplicate($p_archive_to_add->zipname);

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

  // ----- Open the zip file
  if (($v_result=$this->privOpenFd('rb')) != 1)
  {
    // ----- Return
    return $v_result;
  }

  // ----- Read the central directory information
  $v_central_dir = array();
  if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1)
  {
    $this->privCloseFd();
    return $v_result;
  }

  // ----- Go to beginning of File
  @rewind($this->zip_fd);

  // ----- Open the archive_to_add file
  if (($v_result=$p_archive_to_add->privOpenFd('rb')) != 1)
  {
    $this->privCloseFd();

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

  // ----- Read the central directory information
  $v_central_dir_to_add = array();
  if (($v_result = $p_archive_to_add->privReadEndCentralDir($v_central_dir_to_add)) != 1)
  {
    $this->privCloseFd();
    $p_archive_to_add->privCloseFd();

    return $v_result;
  }

  // ----- Go to beginning of File
  @rewind($p_archive_to_add->zip_fd);

  // ----- Creates a temporary file
  $v_zip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.tmp';

  // ----- Open the temporary file in write mode
  if (($v_zip_temp_fd = @fopen($v_zip_temp_name, 'wb')) == 0)
  {
    $this->privCloseFd();
    $p_archive_to_add->privCloseFd();

    PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open temporary file \''.$v_zip_temp_name.'\' in binary write mode');

    // ----- Return
    return PclZip::errorCode();
  }

  // ----- Copy the files from the archive to the temporary file
  // TBC : Here I should better append the file and go back to erase the central dir
  $v_size = $v_central_dir['offset'];
  while ($v_size != 0)
  {
    $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
    $v_buffer = fread($this->zip_fd, $v_read_size);
    @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
    $v_size -= $v_read_size;
  }

  // ----- Copy the files from the archive_to_add into the temporary file
  $v_size = $v_central_dir_to_add['offset'];
  while ($v_size != 0)
  {
    $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
    $v_buffer = fread($p_archive_to_add->zip_fd, $v_read_size);
    @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
    $v_size -= $v_read_size;
  }

  // ----- Store the offset of the central dir
  $v_offset = @ftell($v_zip_temp_fd);

  // ----- Copy the block of file headers from the old archive
  $v_size = $v_central_dir['size'];
  while ($v_size != 0)
  {
    $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
    $v_buffer = @fread($this->zip_fd, $v_read_size);
    @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
    $v_size -= $v_read_size;
  }

  // ----- Copy the block of file headers from the archive_to_add
  $v_size = $v_central_dir_to_add['size'];
  while ($v_size != 0)
  {
    $v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
    $v_buffer = @fread($p_archive_to_add->zip_fd, $v_read_size);
    @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
    $v_size -= $v_read_size;
  }

  // ----- Merge the file comments
  $v_comment = $v_central_dir['comment'].' '.$v_central_dir_to_add['comment'];

  // ----- Calculate the size of the (new) central header
  $v_size = @ftell($v_zip_temp_fd)-$v_offset;

  // ----- Swap the file descriptor
  // Here is a trick : I swap the temporary fd with the zip fd, in order to use
  // the following methods on the temporary fil and not the real archive fd
  $v_swap = $this->zip_fd;
  $this->zip_fd = $v_zip_temp_fd;
  $v_zip_temp_fd = $v_swap;

  // ----- Create the central dir footer
  if (($v_result = $this->privWriteCentralHeader($v_central_dir['entries']+$v_central_dir_to_add['entries'], $v_size, $v_offset, $v_comment)) != 1)
  {
    $this->privCloseFd();
    $p_archive_to_add->privCloseFd();
    @fclose($v_zip_temp_fd);
    $this->zip_fd = null;

    // ----- Reset the file list
    unset($v_header_list);

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

  // ----- Swap back the file descriptor
  $v_swap = $this->zip_fd;
  $this->zip_fd = $v_zip_temp_fd;
  $v_zip_temp_fd = $v_swap;

  // ----- Close
  $this->privCloseFd();
  $p_archive_to_add->privCloseFd();

  // ----- Close the temporary file
  @fclose($v_zip_temp_fd);

  // ----- Delete the zip file
  // TBC : I should test the result ...
  @unlink($this->zipname);

  // ----- Rename the temporary file
  // TBC : I should test the result ...
  //@rename($v_zip_temp_name, $this->zipname);
  PclZipUtilRename($v_zip_temp_name, $this->zipname);

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