cleanup context handling for wrappers

src/NullWrapper.php

@@ -11,29 +11,17 @@ namespace Icewind\Streams;
  * Stream wrapper that does nothing, used for tests
  */
 class NullWrapper extends Wrapper {
-	/**
-	 * Wraps a stream with the provided callbacks
-	 *
-	 * @param resource $source
-	 * @return resource
-	 *
-	 * @throws \BadMethodCallException
-	 */
 	public static function wrap($source) {
-		$context = stream_context_create(array(
-			'null' => array(
-				'source' => $source)
-		));
-		return self::wrapSource($source, $context);
+		return self::wrapSource($source);
 	}
 
 	public function stream_open($path, $mode, $options, &$opened_path) {
-		$this->loadContext('null');
+		$this->loadContext();
 		return true;
 	}
 
 	public function dir_opendir($path, $options) {
-		$this->loadContext('null');
+		$this->loadContext();
 		return true;
 	}
 }