public function BackupFile::open

Open a file for reading or writing.

File

core/includes/backup/backup.file.inc, line 100

Contains the BackupFile class.

Class

BackupFile

Provides a utility object for reading and writing local backup files.

Code

public function open($write = FALSE, $binary = FALSE) {
  if (!$this->handle) {
    $path = $this->filepath();

    // Check if the file can be read/written.
    if ($write && ((file_exists($path) && !is_writable($path)) || !is_writable(dirname($path)))) {
      $this->log('The file %path is not writable.', array('%path' => $path), 'error');
      return FALSE;
    }
    if (!$write && !is_readable($path)) {
      $this->log('The file %path cannot be read.', array('%path' => $path), 'error');
      return FALSE;
    }

    // Open the file.
    $mode = ($write ? "w" : "r") . ($binary ? "b" : "");
    $this->handle = fopen($path, $mode);
    return $this->handle;
  }
  return NULL;
}