Contains collected stream wrappers.
Keyed by filter, each value is itself an associative array keyed by scheme. Each of those values is an array representing a stream wrapper, with the following keys and values:
The array on key StreamWrapperInterface::ALL contains representations of all schemes and corresponding wrappers.
Type: array
protected $wrappers = array();
© 2001–2016 by the original authors
Licensed under the GNU General Public License, version 2 and later.
Drupal is a registered trademark of Dries Buytaert.
https://api.drupal.org/api/drupal/core!lib!Drupal!Core!StreamWrapper!StreamWrapperManager.php/property/StreamWrapperManager::wrappers/8.1.x