more type hints

4 files changed, 6 insertions, 6 deletions

diff --git a/lib/private/hooks/emitter.php b/lib/private/hooks/emitter.php
index 895bd2d9cac..bea3f289b8d 100644
--- a/lib/private/hooks/emitter.php
+++ b/lib/private/hooks/emitter.php
@@ -37,7 +37,7 @@ interface Emitter {
 	 * @param callable $callback
 	 * @return void
 	 */
-	public function listen($scope, $method, $callback);
+	public function listen($scope, $method, callable $callback);
 
 	/**
 	 * @param string $scope optional
@@ -45,5 +45,5 @@ interface Emitter {
 	 * @param callable $callback optional
 	 * @return void
 	 */
-	public function removeListener($scope = null, $method = null, $callback = null);
+	public function removeListener($scope = null, $method = null, callable $callback = null);
 }
diff --git a/lib/private/hooks/forwardingemitter.php b/lib/private/hooks/forwardingemitter.php
index 853004310fb..90c1970f480 100644
--- a/lib/private/hooks/forwardingemitter.php
+++ b/lib/private/hooks/forwardingemitter.php
@@ -40,7 +40,7 @@ abstract class ForwardingEmitter extends BasicEmitter {
 	 * @param string $method
 	 * @param callable $callback
 	 */
-	public function listen($scope, $method, $callback) {
+	public function listen($scope, $method, callable $callback) {
 		parent::listen($scope, $method, $callback);
 		foreach ($this->forwardEmitters as $emitter) {
 			$emitter->listen($scope, $method, $callback);
@@ -50,7 +50,7 @@ abstract class ForwardingEmitter extends BasicEmitter {
 	/**
 	 * @param \OC\Hooks\Emitter $emitter
 	 */
-	protected function forward($emitter) {
+	protected function forward(Emitter $emitter) {
 		$this->forwardEmitters[] = $emitter;
 
 		//forward all previously connected hooks
diff --git a/lib/private/hooks/legacyemitter.php b/lib/private/hooks/legacyemitter.php
index b0912d740d2..b28854f4638 100644
--- a/lib/private/hooks/legacyemitter.php
+++ b/lib/private/hooks/legacyemitter.php
@@ -23,7 +23,7 @@
 namespace OC\Hooks;
 
 abstract class LegacyEmitter extends BasicEmitter {
-	protected function emit($scope, $method, $arguments = array()) {
+	protected function emit($scope, $method, array $arguments = array()) {
 		\OC_Hook::emit($scope, $method, $arguments);
 		parent::emit($scope, $method, $arguments);
 	}
diff --git a/lib/private/hooks/publicemitter.php b/lib/private/hooks/publicemitter.php
index 71641c9d5e0..12de07b27c7 100644
--- a/lib/private/hooks/publicemitter.php
+++ b/lib/private/hooks/publicemitter.php
@@ -28,7 +28,7 @@ class PublicEmitter extends BasicEmitter {
 	 * @param string $method
 	 * @param array $arguments optional
 	 */
-	public function emit($scope, $method, $arguments = array()) {
+	public function emit($scope, $method, array $arguments = array()) {
 		parent::emit($scope, $method, $arguments);
 	}
 }