Add PHPStan (#4021)

* Add PHPStan
#fix https://github.com/FreshRSS/FreshRSS/issues/4016
https://phpstan.org/

```sh
composer run-script phpstan
```

* More fixes

* Fix global variables

* Add .phtml

* Fix merge
https://github.com/FreshRSS/FreshRSS/pull/4090

* Fix more warnings

* Fix view errors and enable in CI

* ReturnTypeWillChange

* Dynamic view type

* Fix Minz static/self bug

1 files changed, 119 insertions, 0 deletions

diff --git a/app/Models/View.php b/app/Models/View.php
new file mode 100644
index 000000000..22bc2c49a
--- /dev/null
+++ b/app/Models/View.php
@@ -0,0 +1,119 @@
+<?php
+
+class FreshRSS_View extends Minz_View {
+
+	// Main views
+	public $callbackBeforeEntries;
+	public $callbackBeforePagination;
+	public $categories;
+	public $category;
+	public $entries;
+	public $entry;
+	public $feed;
+	public $feeds;
+	public $nbUnreadTags;
+	public $tags;
+
+	// Substriptions
+	public $default_category;
+	public $displaySlider;
+	public $load_ok;
+	public $onlyFeedsWithError;
+	public $signalError;
+
+	// Manage users
+	public $details;
+	public $disable_aside;
+	public $show_email_field;
+	public $username;
+	public $users;
+
+	// Updates
+	public $last_update_time;
+	public $status_files;
+	public $status_php;
+	public $update_to_apply;
+
+	// Archiving
+	public $nb_total;
+	public $size_total;
+	public $size_user;
+
+	// Display
+	public $themes;
+
+	// Shortcuts
+	public $list_keys;
+
+	// User queries
+	public $queries;
+	public $query;
+
+	// Export / Import
+	public $content;
+	public $entriesRaw;
+	public $entryIdsTagNames;
+	public $list_title;
+	public $queryId;
+	public $type;
+
+	// Form login
+	public $cookie_days;
+	public $nonce;
+	public $salt1;
+
+	// Registration
+	public $can_register;
+	public $preferred_language;
+	public $show_tos_checkbox;
+	public $terms_of_service;
+
+	// Email validation
+	public $site_title;
+	public $validation_url;
+
+	// Logs
+	public $currentPage;
+	public $logsPaginator;
+	public $nbPage;
+
+	// RSS view
+	public $rss_title;
+	public $url;
+
+	// Content preview
+	public $fatalError;
+	public $htmlContent;
+	public $selectorSuccess;
+
+	// Extensions
+	public $ext_details;
+	public $extension_list;
+	public $extension;
+	public $extensions_installed;
+
+	// Errors
+	public $code;
+	public $errorMessage;
+
+	// Statistics
+	public $average;
+	public $averageDayOfWeek;
+	public $averageHour;
+	public $averageMonth;
+	public $days;
+	public $entryByCategory;
+	public $entryCount;
+	public $feedByCategory;
+	public $hours24Labels;
+	public $idleFeeds;
+	public $last30DaysLabel;
+	public $last30DaysLabels;
+	public $months;
+	public $repartition;
+	public $repartitionDayOfWeek;
+	public $repartitionHour;
+	public $repartitionMonth;
+	public $topFeed;
+
+}