Increase phpstan level (#332)

.gitattributes

@@ -1,7 +1,7 @@
 /.git*            export-ignore
 /.php-cs-fixer.*  export-ignore
 /*.md             export-ignore
-/phpstan.*        export-ignore
+/phpstan*         export-ignore
 /phpunit.xml.dist export-ignore
 /docs             export-ignore
 /tests            export-ignore

phpstan-baseline.neon

@@ -0,0 +1,32 @@
+parameters:
+	ignoreErrors:
+		-
+			message: "#^Method Knp\\\\Component\\\\Pager\\\\Event\\\\Subscriber\\\\Sortable\\\\ArraySubscriber\\:\\:sortFunction\\(\\) has parameter \\$object1 with no value type specified in iterable type array\\.$#"
+			count: 1
+			path: src/Knp/Component/Pager/Event/Subscriber/Sortable/ArraySubscriber.php
+
+		-
+			message: "#^Method Knp\\\\Component\\\\Pager\\\\Event\\\\Subscriber\\\\Sortable\\\\ArraySubscriber\\:\\:sortFunction\\(\\) has parameter \\$object2 with no value type specified in iterable type array\\.$#"
+			count: 1
+			path: src/Knp/Component/Pager/Event/Subscriber/Sortable/ArraySubscriber.php
+
+		-
+			message: "#^Class Knp\\\\Component\\\\Pager\\\\Pagination\\\\AbstractPagination implements generic interface Iterator but does not specify its types\\: TKey, TValue$#"
+			count: 1
+			path: src/Knp/Component/Pager/Pagination/AbstractPagination.php
+
+		-
+			message: "#^PHPDoc tag @var for property Knp\\\\Component\\\\Pager\\\\Pagination\\\\AbstractPagination\\:\\:\\$items with type iterable\\<int, mixed\\>\\|object is not subtype of native type iterable\\.$#"
+			count: 1
+			path: src/Knp/Component/Pager/Pagination/AbstractPagination.php
+
+		-
+			message: "#^Property Knp\\\\Component\\\\Pager\\\\Pagination\\\\AbstractPagination\\:\\:\\$items type has no value type specified in iterable type iterable\\.$#"
+			count: 1
+			path: src/Knp/Component/Pager/Pagination/AbstractPagination.php
+
+		-
+			message: "#^Interface Knp\\\\Component\\\\Pager\\\\Pagination\\\\PaginationInterface extends generic interface ArrayAccess but does not specify its types\\: TKey, TValue$#"
+			count: 1
+			path: src/Knp/Component/Pager/Pagination/PaginationInterface.php
+

phpstan.neon

@@ -1,4 +1,6 @@
 parameters:
-    level: 5
+    level: 6
     paths:
         - src
+includes:
+    - phpstan-baseline.neon

src/Knp/Component/Pager/Event/AfterEvent.php

@@ -10,13 +10,20 @@
  */
 final class AfterEvent extends Event
 {
+    /** @var PaginationInterface<int, mixed> */
     private PaginationInterface $pagination;
 
+    /**
+     * @param PaginationInterface<int, mixed> $paginationView
+     */
     public function __construct(PaginationInterface $paginationView)
     {
         $this->pagination = $paginationView;
     }
 
+    /**
+     * @return PaginationInterface<int, mixed>
+     */
     public function getPaginationView(): PaginationInterface
     {
         return $this->pagination;

src/Knp/Component/Pager/Event/ItemsEvent.php

@@ -15,7 +15,7 @@ final class ItemsEvent extends Event
     public mixed $target = null;
 
     /**
-     * List of options
+     * @var array<string, mixed>
      */
     public array $options;
 
@@ -31,6 +31,10 @@ final class ItemsEvent extends Event
 
     private int $offset;
     private int $limit;
+
+    /**
+     * @var array<string, mixed>
+     */
     private array $customPaginationParams = [];
 
     public function __construct(int $offset, int $limit)
@@ -44,6 +48,9 @@ public function setCustomPaginationParameter(string $name, mixed $value): void
         $this->customPaginationParams[$name] = $value;
     }
 
+    /**
+     * @return array<string, mixed>
+     */
     public function getCustomPaginationParameters(): array
     {
         return $this->customPaginationParams;

src/Knp/Component/Pager/Event/PaginationEvent.php

@@ -16,17 +16,26 @@ final class PaginationEvent extends Event
     public mixed $target = null;
 
     /**
-     * List of options
+     * @var array<string, mixed>
      */
     public array $options;
 
+    /**
+     * @var PaginationInterface<int, mixed>
+     */
     private PaginationInterface $pagination;
 
+    /**
+     * @param PaginationInterface<int, mixed> $pagination
+     */
     public function setPagination(PaginationInterface $pagination): void
     {
         $this->pagination = $pagination;
     }
 
+    /**
+     * @return PaginationInterface<int, mixed>
+     */
     public function getPagination(): PaginationInterface
     {
         return $this->pagination;

src/Knp/Component/Pager/Event/Subscriber/Paginate/Callback/CallbackPagination.php

@@ -30,6 +30,9 @@ public function getPaginationCount(): int
         return call_user_func($this->count);
     }
 
+    /**
+     * @return array<int, mixed>
+     */
     public function getPaginationItems(int $offset, int $limit): array
     {
         return call_user_func($this->items, $offset, $limit);

src/Knp/Component/Pager/Event/Subscriber/Sortable/ArraySubscriber.php

@@ -70,6 +70,9 @@ public function items(ItemsEvent $event): void
         ]);
     }
 
+    /**
+     * @param array<string, mixed> $options
+     */
     private function getSortDirection(array $options): string
     {
         if (!$this->argumentAccess->has($options[PaginatorInterface::SORT_DIRECTION_PARAMETER_NAME])) {
@@ -83,7 +86,7 @@ private function getSortDirection(array $options): string
         return 'desc';
     }
 
-    private function proxySortFunction(&$target, $sortField, $sortDirection): bool
+    private function proxySortFunction(mixed &$target, string $sortField, string $sortDirection): bool
     {
         $this->currentSortingField = $sortField;
         $this->sortDirection = $sortDirection;

src/Knp/Component/Pager/Event/Subscriber/Sortable/SolariumQuerySubscriber.php

@@ -56,7 +56,7 @@ public static function getSubscribedEvents(): array
         ];
     }
 
-    private function getSortDirection($event): string
+    private function getSortDirection(ItemsEvent $event): string
     {
         $sortDir = $event->options[PaginatorInterface::SORT_DIRECTION_PARAMETER_NAME];
 

src/Knp/Component/Pager/Pagination/AbstractPagination.php

@@ -14,9 +14,12 @@ abstract class AbstractPagination implements Iterator, PaginationInterface
 {
     protected ?int $currentPageNumber = null;
     protected ?int $numItemsPerPage = null;
+    /** @var iterable<int, mixed>|object */
     protected iterable $items = [];
     protected ?int $totalCount = null;
+    /** @var array<string, mixed>  */
     protected ?array $paginatorOptions = null;
+    /** @var array<string, mixed>  */
     protected ?array $customParameters = null;
 
     public function rewind(): void

src/Knp/Component/Pager/Pagination/PaginationInterface.php

@@ -50,7 +50,7 @@ public function setItems(iterable $items): void;
     public function getItems(): iterable;
 
     /**
-     * @param array $options
+     * @param array<string, mixed> $options
      */
     public function setPaginatorOptions(array $options): void;
 
@@ -60,7 +60,7 @@ public function setPaginatorOptions(array $options): void;
     public function getPaginatorOption(string $name): mixed;
 
     /**
-     * @param array $parameters
+     * @param array<string, mixed> $parameters
      */
     public function setCustomParameters(array $parameters): void;
 

src/Knp/Component/Pager/Pagination/SlidingPagination.php

@@ -14,7 +14,7 @@
  *
  * @template-extends AbstractPagination<TKey, TValue>
  */
-final class SlidingPagination extends AbstractPagination
+final class SlidingPagination extends AbstractPagination implements \Stringable
 {
     /**
      * Pagination page range
@@ -45,6 +45,9 @@ public function __toString(): string
         return $output;
     }
 
+    /**
+     * @return array<string, mixed>
+     */
     public function getPaginationData(): array
     {
         $pageCount = (int) ceil($this->totalCount / $this->numItemsPerPage);

src/Knp/Component/Pager/Paginator.php

@@ -44,21 +44,27 @@ public function __construct(EventDispatcherInterface $eventDispatcher, ArgumentA
     }
 
     /**
-     * Override the default paginator options
-     * to be reused for paginations
+     * Override the default paginator options to be reused for paginations
+     *
+     * @param array<string, string|int|bool> $options
      */ 
     public function setDefaultPaginatorOptions(array $options): void
     {
         $this->defaultOptions = \array_merge($this->defaultOptions, $options);
     }
 
+    /**
+     * @param array<string, mixed> $options
+     *
+     * @return PaginationInterface<int, mixed>
+     */
     public function paginate($target, int $page = 1, int $limit = null, array $options = []): PaginationInterface
     {
         if ($page <= 0) {
             throw PageNumberInvalidException::create($page);
         }
 
-        $limit = $limit ?? $this->defaultOptions[self::DEFAULT_LIMIT];
+        $limit = $limit ?? (int) $this->defaultOptions[self::DEFAULT_LIMIT];
         if ($limit <= 0) {
             throw PageLimitInvalidException::create($limit);
         }

src/Knp/Component/Pager/PaginatorInterface.php

@@ -35,13 +35,15 @@ interface PaginatorInterface
      * pagination object (might be aggregated helper object)
      * responsible for the pagination result representation
      *
-     * @param mixed    $target  anything what needs to be paginated
-     * @param int      $page    page number, starting from 1
-     * @param int|null $limit   number of items per page
-     * @param array    $options less used options:
-     *                          bool   $distinct           default true for distinction of results
-     *                          string $alias              pagination alias, default none
-     *                          array  $sortFieldAllowList sortable allow list for target fields being paginated
+     * @param mixed                 $target  anything what needs to be paginated
+     * @param int                   $page    page number, starting from 1
+     * @param int|null              $limit   number of items per page
+     * @param array<string, mixed>  $options less used options:
+     *                                       bool   $distinct           default true for distinction of results
+     *                                       string $alias              pagination alias, default none
+     *                                       array  $sortFieldAllowList sortable allow list for target fields being paginated
+     *
+     * @return PaginationInterface<int, mixed>
      */
     public function paginate(mixed $target, int $page = 1, int $limit = null, array $options = []): PaginationInterface;
 }

tests/Test/Fixture/Document/Image.php

@@ -26,20 +26,14 @@ final class Image
     private $file;
 
     /**
-     * Set file.
-     *
      * @param int|string $file
      */
-    public function setFile($file): self
+    public function setFile($file): void
     {
         $this->file = $file;
-
-        return $this;
     }
 
     /**
-     * Get file.
-     *
      * @return int|string
      */
     public function getFile()