X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FUtil%2FACLFormatter.php;h=cd398fc280a419c314fe6b2e7a0a5af7ae299cf6;hb=911ed3d6ba98149ed6d400d554e7a0e10bd1c273;hp=f7a0894e1c6e81bce4f6911c0361d36131529c79;hpb=1129e8f17d0e11f803965467abd3f2539495dae7;p=friendica.git

diff --git a/src/Util/ACLFormatter.php b/src/Util/ACLFormatter.php
index f7a0894e1c..cd398fc280 100644
--- a/src/Util/ACLFormatter.php
+++ b/src/Util/ACLFormatter.php
@@ -35,7 +35,7 @@ final class ACLFormatter
 	 *
 	 * @return array The array based on the IDs (empty in case there is no list)
 	 */
-	public function expand(string $acl_string = null)
+	public function expand(string $acl_string = null): array
 	{
 		// In case there is no ID list, return empty array (=> no ACL set)
 		if (empty($acl_string)) {
@@ -55,7 +55,7 @@ final class ACLFormatter
 	 * @param string|null $acl_string
 	 * @return string
 	 */
-	public function sanitize(string $acl_string = null)
+	public function sanitize(string $acl_string = null): string
 	{
 		if (empty($acl_string)) {
 			return '';
@@ -107,10 +107,13 @@ final class ACLFormatter
 	 *
 	 * @return string
 	 */
-	function toString($permissions) {
+	function toString($permissions): string
+	{
 		$return = '';
 		if (is_array($permissions)) {
 			$item = $permissions;
+		} elseif (empty($permissions)) {
+			return '';
 		} else {
 			$item = explode(',', $permissions);
 		}