diff --git a/.phpcs.xml b/.phpcs.xml
index 0877ca39..eddb6dc8 100644
--- a/.phpcs.xml
+++ b/.phpcs.xml
@@ -1,9 +1,6 @@
 <?xml version="1.0"?>
 <ruleset>
-	<rule ref="./vendor/mediawiki/mediawiki-codesniffer/MediaWiki">
-		<exclude name="MediaWiki.Commenting.PropertyDocumentation.MissingDocumentationPrivate" />
-		<exclude name="MediaWiki.WhiteSpace.SpaceBeforeSingleLineComment.NewLineComment" />
-	</rule>
+	<rule ref="./vendor/mediawiki/mediawiki-codesniffer/MediaWiki" />
 	<file>.</file>
 	<arg name="extensions" value="php" />
 	<arg name="encoding" value="UTF-8" />
diff --git a/includes/InputBox.php b/includes/InputBox.php
index 84623bd2..66b826ea 100644
--- a/includes/InputBox.php
+++ b/includes/InputBox.php
@@ -24,32 +24,59 @@ class InputBox {
 
 	/** @var Parser */
 	private $mParser;
+	/** @var string */
 	private $mType = '';
+	/** @var int */
 	private $mWidth = 50;
+	/** @var string|null */
 	private $mPreload = null;
+	/** @var array|null */
 	private $mPreloadparams = null;
+	/** @var string|null */
 	private $mEditIntro = null;
+	/** @var string|null */
 	private $mUseVE = null;
+	/** @var string|null */
 	private $mSummary = null;
+	/** @var string|null */
 	private $mNosummary = null;
+	/** @var string|null */
 	private $mMinor = null;
+	/** @var string */
 	private $mPage = '';
+	/** @var string */
 	private $mBR = 'yes';
+	/** @var string */
 	private $mDefaultText = '';
+	/** @var string */
 	private $mPlaceholderText = '';
+	/** @var string */
 	private $mBGColor = 'transparent';
+	/** @var string */
 	private $mButtonLabel = '';
+	/** @var string */
 	private $mSearchButtonLabel = '';
+	/** @var string */
 	private $mFullTextButton = '';
+	/** @var string */
 	private $mLabelText = '';
+	/** @var string|false */
 	private $mHidden = '';
+	/** @var string */
 	private $mNamespaces = '';
+	/** @var string */
 	private $mID = '';
+	/** @var string|false */
 	private $mInline = false;
+	/** @var string */
 	private $mPrefix = '';
+	/** @var string */
 	private $mDir = '';
+	/** @var string */
 	private $mSearchFilter = '';
+	/** @var string */
 	private $mTour = '';
+	/** @var string */
 	private $mTextBoxAriaLabel = '';
 
 	/* Functions */
@@ -205,7 +232,8 @@ class InputBox {
 			$checkedNS = [];
 			// Check for valid namespaces
 			foreach ( $namespacesArray as $userNS ) {
-				$userNS = trim( $userNS ); // no whitespace
+				// no whitespace
+				$userNS = trim( $userNS );
 
 				// Namespace needs to be checked if flagged with "**"
 				if ( strpos( $userNS, '**' ) ) {
@@ -221,7 +249,8 @@ class InputBox {
 				} elseif ( isset( $nsAliases[$userNS] ) ) {
 					$i = $nsAliases[$userNS];
 				} else {
-					continue; // Namespace not recognized, skip
+					// Namespace not recognized, skip
+					continue;
 				}
 				$showNamespaces[$i] = $userNS;
 				if ( isset( $checkedNS[$userNS] ) && $checkedNS[$userNS] ) {
@@ -439,6 +468,7 @@ class InputBox {
 		if ( $this->mMinor !== null ) {
 			$htmlOut .= Html::hidden( 'minor', $this->mMinor );
 		}
+		// @phan-suppress-next-line PhanSuspiciousValueComparison False positive
 		if ( $this->mType === 'comment' ) {
 			$htmlOut .= Html::hidden( 'section', 'new' );
 		}