PHPStan level 5 (#4110)

* Fix most PHPDocs errors
Contributes to https://github.com/FreshRSS/FreshRSS/issues/4103
https://phpstan.org/writing-php-code/phpdoc-types

* Avoid func_get_args
Use variadic syntax instead https://php.net/manual/functions.arguments#functions.variable-arg-list
And avoid dynamic functions names when possible to more easily identify calls and unused functions.
Contributes to https://github.com/FreshRSS/FreshRSS/issues/4103

* PHPStan level 3

* PHPStand level 4

* Update default to PHPStan level 4

* Towards level 5

* Fix level 4 regression

* Towards level 5

* Pass PHPStan level 5

* Towards level 6

* Remove erronenous regression from changelog
https://github.com/FreshRSS/FreshRSS/pull/4116

1 files changed, 1 insertions, 1 deletions

diff --git a/cli/i18n/I18nValidatorInterface.php b/cli/i18n/I18nValidatorInterface.php
index edfe7aac0..80fcb22ad 100644
--- a/cli/i18n/I18nValidatorInterface.php
+++ b/cli/i18n/I18nValidatorInterface.php
@@ -19,7 +19,7 @@ interface I18nValidatorInterface {
 	/**
 	 * Display the validation report.
 	 *
-	 * @return array
+	 * @return string
 	 */
 	public function displayReport();