Improve code style

src/Administration.php

@@ -111,7 +111,9 @@ final class Administration extends UserManager {
 		$this->deleteUsersByColumnValue('id', (int) $userData['id']);
 	}
 
-	protected function throttle($actionType, $customSelector = null) {}
+	protected function throttle($actionType, $customSelector = null) {
+		// do nothing
+	}
 
 	/**
 	 * Deletes all existing users where the column with the specified name has the given value

src/Auth.php

@@ -296,17 +296,23 @@ final class Auth extends UserManager {
 		}
 
 		// set the cookie with the selector and token
+
 		$cookie = new Cookie(self::COOKIE_NAME_REMEMBER);
+
 		$cookie->setValue($content);
 		$cookie->setExpiryTime($expires);
+
 		if (!empty($params['path'])) {
 			$cookie->setPath($params['path']);
 		}
+
 		if (!empty($params['domain'])) {
 			$cookie->setDomain($params['domain']);
 		}
+
 		$cookie->setHttpOnly($params['httponly']);
 		$cookie->setSecureOnly($params['secure']);
+
 		$result = $cookie->save();
 
 		if ($result === false) {

src/UserManager.php

@@ -40,6 +40,7 @@ abstract class UserManager {
 	public static function createRandomString($maxLength = 24) {
 		// calculate how many bytes of randomness we need for the specified string length
 		$bytes = floor(intval($maxLength) / 4) * 3;
+
 		// get random data
 		$data = openssl_random_pseudo_bytes($bytes);
 
@@ -143,8 +144,8 @@ abstract class UserManager {
 				]
 			);
 		}
+		// if we have a duplicate entry
 		catch (IntegrityConstraintViolationException $e) {
-			// if we have a duplicate entry
 			throw new UserAlreadyExistsException();
 		}
 		catch (Error $e) {
@@ -175,6 +176,7 @@ abstract class UserManager {
 	protected function getUserDataByUsername($username, array $requestedColumns) {
 		try {
 			$projection = implode(', ', $requestedColumns);
+
 			$users = $this->db->select(
 				'SELECT ' . $projection . ' FROM users WHERE username = ? LIMIT 0, 2',
 				[ $username ]