Applied another set of static analysis improvements

app/Entities/Tools/BookContents.php

@@ -67,7 +67,7 @@ class BookContents
         $all->each(function (Entity $entity) use ($renderPages) {
             $entity->setRelation('book', $this->book);
 
-            if ($renderPages && $entity->isA('page')) {
+            if ($renderPages && $entity instanceof Page) {
                 $entity->html = (new PageContent($entity))->render();
             }
         });
@@ -151,7 +151,7 @@ class BookContents
 
         $priorityChanged = intval($model->priority) !== intval($sortMapItem->sort);
         $bookChanged = intval($model->book_id) !== intval($sortMapItem->book);
-        $chapterChanged = ($sortMapItem->type === 'page') && intval($model->chapter_id) !== $sortMapItem->parentChapter;
+        $chapterChanged = ($model instanceof Page) && intval($model->chapter_id) !== $sortMapItem->parentChapter;
 
         if ($bookChanged) {
             $model->changeBook($sortMapItem->book);

app/Entities/Tools/NextPreviousContentLocator.php

@@ -64,7 +64,7 @@ class NextPreviousContentLocator
         /** @var Entity $item */
         foreach ($bookTree->all() as $item) {
             $flatOrdered->push($item);
-            $childPages = $item->visible_pages ?? [];
+            $childPages = $item->getAttribute('visible_pages') ?? [];
             $flatOrdered = $flatOrdered->concat($childPages);
         }
 

app/Entities/Tools/PageContent.php

@@ -156,7 +156,7 @@ class PageContent
     /**
      * Parse a base64 image URI into the data and extension.
      *
-     * @return array{extension: array, data: string}
+     * @return array{extension: string, data: string}
      */
     protected function parseBase64ImageUri(string $uri): array
     {
@@ -230,7 +230,7 @@ class PageContent
      */
     protected function setUniqueId(\DOMNode $element, array &$idMap): array
     {
-        if (get_class($element) !== 'DOMElement') {
+        if (!$element instanceof \DOMElement) {
             return ['', ''];
         }
 
@@ -242,7 +242,7 @@ class PageContent
             return [$existingId, $existingId];
         }
 
-        // Create an unique id for the element
+        // Create a unique id for the element
         // Uses the content as a basis to ensure output is the same every time
         // the same content is passed through.
         $contentId = 'bkmrk-' . mb_substr(strtolower(preg_replace('/\s+/', '-', trim($element->nodeValue))), 0, 20);

app/Entities/Tools/SearchIndex.php

@@ -67,7 +67,7 @@ class SearchIndex
      * - The number that have been processed so far.
      * - The total number of that model to be processed.
      *
-     * @param callable(Entity, int, int)|null $progressCallback
+     * @param callable(Entity, int, int):void|null $progressCallback
      */
     public function indexAllEntities(?callable $progressCallback = null)
     {

app/Entities/Tools/SearchRunner.php

@@ -9,6 +9,7 @@ use BookStack\Entities\Models\BookChild;
 use BookStack\Entities\Models\Entity;
 use BookStack\Entities\Models\Page;
 use BookStack\Entities\Models\SearchTerm;
+use Illuminate\Database\Connection;
 use Illuminate\Database\Eloquent\Builder as EloquentBuilder;
 use Illuminate\Database\Eloquent\Collection as EloquentCollection;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
@@ -356,7 +357,9 @@ class SearchRunner
                     // We have to do a raw sql query for this since otherwise PDO will quote the value and MySQL will
                     // search the value as a string which prevents being able to do number-based operations
                     // on the tag values. We ensure it has a numeric value and then cast it just to be sure.
-                    $tagValue = (float) trim($query->getConnection()->getPdo()->quote($tagValue), "'");
+                    /** @var Connection $connection */
+                    $connection = $query->getConnection();
+                    $tagValue = (float) trim($connection->getPdo()->quote($tagValue), "'");
                     $query->whereRaw("value ${tagOperator} ${tagValue}");
                 } else {
                     $query->where('value', $tagOperator, $tagValue);

app/Entities/Tools/SiblingFetcher.php

@@ -5,6 +5,7 @@ namespace BookStack\Entities\Tools;
 use BookStack\Entities\EntityProvider;
 use BookStack\Entities\Models\Book;
 use BookStack\Entities\Models\Bookshelf;
+use BookStack\Entities\Models\Chapter;
 use BookStack\Entities\Models\Page;
 use Illuminate\Support\Collection;
 
@@ -24,7 +25,7 @@ class SiblingFetcher
         }
 
         // Page in book or chapter
-        if (($entity instanceof Page && !$entity->chapter) || $entity->isA('chapter')) {
+        if (($entity instanceof Page && !$entity->chapter) || $entity instanceof Chapter) {
             $entities = $entity->book->getDirectChildren();
         }
 

app/Entities/Tools/TrashCan.php

@@ -235,13 +235,15 @@ class TrashCan
     {
         $shouldRestore = true;
         $restoreCount = 0;
-        $parent = $deletion->deletable->getParent();
 
-        if ($parent && $parent->trashed()) {
-            $shouldRestore = false;
+        if ($deletion->deletable instanceof Entity) {
+            $parent = $deletion->deletable->getParent();
+            if ($parent && $parent->trashed()) {
+                $shouldRestore = false;
+            }
         }
 
-        if ($shouldRestore) {
+        if ($deletion->deletable instanceof Entity && $shouldRestore) {
             $restoreCount = $this->restoreEntity($deletion->deletable);
         }