function FileTransfer::findChroot

Returns the chroot property for this connection.

It does this by moving up the tree until it finds itself

Return value

string|bool If successful, the chroot path for this connection, otherwise FALSE.

File

drupal/core/lib/Drupal/Core/FileTransfer/FileTransfer.php, line 358

Definition of Drupal\Core\FileTransfer\FileTransfer.

Class

FileTransfer

Defines the base FileTransfer class.

Namespace

Code

function findChroot() {

  // If the file exists as is, there is no chroot.
  $path = __FILE__;
  $path = $this
    ->fixRemotePath($path, FALSE);
  if ($this
    ->isFile($path)) {
    return FALSE;
  }
  $path = __DIR__;
  $path = $this
    ->fixRemotePath($path, FALSE);
  $parts = explode('/', $path);
  $chroot = '';
  while (count($parts)) {
    $check = implode($parts, '/');
    if ($this
      ->isFile($check . '/' . drupal_basename(__FILE__))) {

      // Remove the trailing slash.
      return substr($chroot, 0, -1);
    }
    $chroot .= array_shift($parts) . '/';
  }
  return FALSE;
}