Zotlabs: More type safety for AccessList class.

Add more type declarations to class attributes and functions.

This should ensure that only strings and null values can be assigned to
the various access list members. This is still a bit loose, as we should
probably aim for lists of channel or group id's instead of a generic
type like a string.

I'll leave that for later, though.

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);
 	}