1 files changed, 11 insertions, 11 deletions

diff --git a/Zotlabs/Access/AccessList.php b/Zotlabs/Access/AccessList.php
index a7da1274f..3f5271e87 100644
--- a/Zotlabs/Access/AccessList.php
+++ b/Zotlabs/Access/AccessList.php
@@ -18,28 +18,28 @@ class AccessList {
 	 * @brief Allow contacts
 	 * @var string
 	 */
-	private $allow_cid;
+	private ?string $allow_cid;
 	/**
 	 * @brief Allow groups
 	 * @var string
 	 */
-	private $allow_gid;
+	private ?string $allow_gid;
 	/**
 	 * @brief Deny contacts
 	 * @var string
 	 */
-	private $deny_cid;
+	private ?string $deny_cid;
 	/**
 	 * @brief Deny groups
 	 * @var string
 	 */
-	private $deny_gid;
+	private ?string $deny_gid;
 	/**
 	 * @brief Indicates if we are using the default constructor values or
 	 * values that have been set explicitly.
 	 * @var boolean
 	 */
-	private $explicit;
+	private bool $explicit;
 
 	/**
 	 * @brief Keys required by the constructor if the channel array is given.
@@ -91,7 +91,7 @@ class AccessList {
 		$this->explicit = false;
 	}
 
-	private function validate_input_array(array $arr, array $required_keys) {
+	private function validate_input_array(array $arr, array $required_keys) : void {
 		$missing_keys = array_diff($required_keys, array_keys($arr));
 
 		if (!empty($missing_keys)) {
@@ -108,7 +108,7 @@ class AccessList {
 	 *
 	 * @return boolean
 	 */
-	function get_explicit() {
+	function get_explicit() : bool {
 		return $this->explicit;
 	}
 
@@ -126,7 +126,7 @@ class AccessList {
 	 *   * \e string \b deny_gid  => string of denied gids
 	 * @param boolean $explicit (optional) default true
 	 */
-	function set(array $arr, bool $explicit = true) {
+	function set(array $arr, bool $explicit = true) : void {
 		$this->validate_input_array($arr, self::REQUIRED_KEYS_SET);
 
 		$this->allow_cid = $arr['allow_cid'];
@@ -146,7 +146,7 @@ class AccessList {
 	 *   * \e string \b deny_cid  => string of denied cids
 	 *   * \e string \b deny_gid  => string of denied gids
 	 */
-	function get() {
+	function get() : array {
 		return [
 			'allow_cid' => $this->allow_cid,
 			'allow_gid' => $this->allow_gid,
@@ -172,7 +172,7 @@ class AccessList {
 	 *   * \e array|string \b group_deny    => array with gids or comma-seperated string
 	 * @param boolean $explicit (optional) default true
 	 */
-	function set_from_array(array $arr, bool $explicit = true) {
+	function set_from_array(array $arr, bool $explicit = true) : void {
 		$arr['contact_allow'] = $arr['contact_allow'] ?? [];
 		$arr['group_allow'] = $arr['group_allow'] ?? [];
 		$arr['contact_deny'] = $arr['contact_deny'] ?? [];
@@ -195,7 +195,7 @@ class AccessList {
 	 *
 	 * @return boolean Return true if any of allow_* deny_* values is set.
 	 */
-	function is_private() {
+	function is_private() : bool {
 		return (($this->allow_cid || $this->allow_gid || $this->deny_cid || $this->deny_gid) ? true : false);
 	}