Improve type hints to special page related classes

Change-Id: I96e2ff2fbd6f69e83212b22cf107417014b665e1

includes/specialpage/ChangesListSpecialPage.php

@@ -1099,7 +1099,7 @@ abstract class ChangesListSpecialPage extends SpecialPage {
 	 * Register all the filters, including legacy hook-driven ones.
 	 * Then create a FormOptions object with options as specified by the user
 	 *
-	 * @param array $parameters
+	 * @param string $parameters
 	 *
 	 * @return FormOptions
 	 */

includes/specials/SpecialBlock.php

@@ -751,7 +751,7 @@ class SpecialBlock extends FormSpecialPage {
 	 *
 	 * @param array $data
 	 * @param IContextSource $context
-	 * @return bool|string
+	 * @return bool|array
 	 */
 	public static function processForm( array $data, IContextSource $context ) {
 		global $wgBlockAllowsUTEdit, $wgHideUserContribLimit;

includes/specials/SpecialPasswordPolicies.php

@@ -127,7 +127,7 @@ class SpecialPasswordPolicies extends SpecialPage {
 	 * Create a HTML list of password policies for $group
 	 *
 	 * @param array $policies Original $wgPasswordPolicy array
-	 * @param array $group Group to format password policies for
+	 * @param string $group Group to format password policies for
 	 *
 	 * @return string HTML list of all applied password policies
 	 */

includes/specials/SpecialProtectedtitles.php

@@ -136,7 +136,7 @@ class SpecialProtectedtitles extends SpecialPage {
 
 	/**
 	 * @param string $pr_level Determines which option is selected as default
-	 * @return string Formatted HTML
+	 * @return string|array
 	 * @private
 	 */
 	function getLevelMenu( $pr_level ) {

includes/specials/SpecialUncategorizedpages.php

@@ -30,6 +30,7 @@ use MediaWiki\MediaWikiServices;
  * @todo FIXME: Make $requestedNamespace selectable, unify all subclasses into one
  */
 class UncategorizedPagesPage extends PageQueryPage {
+	/** @var int|false */
 	protected $requestedNamespace = false;
 
 	function __construct( $name = 'Uncategorizedpages' ) {