public function FileExampleSessionStreamWrapper::unlink

Support for unlink().

Parameters

string $uri: A string containing the uri to the resource to delete.

Return value

bool: TRUE if resource was successfully deleted.

Overrides StreamWrapperInterface::unlink

See also

http://php.net/manual/en/streamwrapper.unlink.php

File

modules/examples/file_example/file_example_session_streams.inc, line 454

Provides a demonstration session:// stream-wrapper.

Class

FileExampleSessionStreamWrapper

Example stream wrapper class to handle session:// streams.

Code

public function unlink($uri) {
  $path = $this->getLocalPath($uri);
  $path_components = preg_split('/\//', $path);
  $fail = FALSE;
  $unset = '$_SESSION[\'file_example\']';
  foreach ($path_components as $component) {
    $unset .= '[\'' . $component . '\']';
  }
  // TODO: Is there a better way to delete from an array?
  // backdrop_array_get_nested_value() doesn't work because it only returns
  // a reference; unsetting a reference only unsets the reference.
  eval("unset($unset);");

  return TRUE;
}