ENH PHP 8.1 compatibility

code/Controller/AssetAdmin.php

@@ -265,7 +265,7 @@ public function getClientConfig()
                 'filesizeBase' => 1024,
                 'acceptedFiles' => implode(',', array_map(function ($ext) {
                     return $ext[0] != '.' ? ".$ext" : $ext;
-                }, $validator->getAllowedExtensions()))
+                }, $validator->getAllowedExtensions() ?? []))
             ]
         ]);
     }
@@ -369,7 +369,7 @@ public function apiUploadFile(HTTPRequest $request)
             return null;
         }
         $tmpFile = $data['Upload'];
-        if (empty($data['ID']) || empty($tmpFile['name']) || !array_key_exists('Name', $data)) {
+        if (empty($data['ID']) || empty($tmpFile['name']) || !array_key_exists('Name', $data ?? [])) {
             $this->jsonError(400, _t(__CLASS__.'.INVALID_REQUEST', 'Invalid request'));
             return null;
         }
@@ -419,7 +419,7 @@ public function apiUploadFile(HTTPRequest $request)
             return null;
         }
 
-        $tuple['Name'] = basename($tuple['Filename']);
+        $tuple['Name'] = basename($tuple['Filename'] ?? '');
         return (new HTTPResponse(json_encode($tuple)))
             ->addHeader('Content-Type', 'application/json');
     }
@@ -464,7 +464,7 @@ public function apiHistory(HTTPRequest $request)
         // swap the order so we can get the version number to compare against.
         // i.e version 3 needs to know version 2 is the previous version
         $copy = $versions->map('Version', 'Version')->toArray();
-        foreach (array_reverse($copy) as $k => $v) {
+        foreach (array_reverse($copy ?? []) as $k => $v) {
             if ($prev) {
                 $next[$v] = $prev;
             }
@@ -1050,7 +1050,7 @@ protected function saveOrPublish($data, $form, $doPublish = false)
             // File::class make sure to register the file extension and your class to config in
             // File::class_for_file_extension
             $currentClass = $record->getClassName();
-            if (!is_a($currentClass, $newClass, true) ||
+            if (!is_a($currentClass, $newClass ?? '', true) ||
                 ($currentClass !== $newClass && $newClass === File::class)
             ) {
                 $record = $record->newClassInstance($newClass);
@@ -1316,7 +1316,7 @@ protected function getUpload()
         $upload = Upload::create();
         $upload->getValidator()->setAllowedExtensions(
             // filter out '' since this would be a regex problem on JS end
-            array_filter(File::getAllowedExtensions())
+            array_filter(File::getAllowedExtensions() ?? [])
         );
         $upload->getValidator()->setAllowedMaxFileSize(
             $this->config()->max_upload_size
@@ -1425,7 +1425,7 @@ public function canView($member = null)
         // Since admin/assets is used as the endpoint for various other CMS modals,
         // we need to permit most admin/assets actions
         $asAjax = $this->getRequest()->isAjax()
-            || in_array('application/json', $this->getRequest()->getAcceptMimetypes(false));
+            || in_array('application/json', $this->getRequest()->getAcceptMimetypes(false) ?? []);
         if ($asAjax && Permission::checkMember($member, 'CMS_ACCESS')) {
             return true;
         }

code/Controller/AssetAdminFile.php

@@ -127,7 +127,7 @@ public function humanizedChanges($from, $to)
         $diff = new DataDifferencer($fromRecord, $toRecord);
         $changes = $diff->changedFieldNames();
 
-        $k = array_search('LastEdited', $changes);
+        $k = array_search('LastEdited', $changes ?? []);
 
         if ($k !== false) {
             unset($changes[$k]);

code/Forms/AssetFormFactory.php

@@ -282,7 +282,7 @@ protected function getPopoverActions($record)
         ];
 
         $this->invokeWithExtensions('updatePopoverActions', $actions, $record);
-        return array_filter($actions);
+        return array_filter($actions ?? []);
     }
 
     /**

code/Forms/FileFormFactory.php

@@ -295,7 +295,7 @@ protected function getFormActions(RequestHandler $controller = null, $formName,
         }
 
         // Group all actions
-        if (count($actionItems) > 1) {
+        if (count($actionItems ?? []) > 1) {
             $actionItems = [
                 FieldGroup::create($actionItems)
                     ->setName('Actions')

code/Forms/RemoteFileFormFactory.php

@@ -113,7 +113,7 @@ public function getForm(RequestHandler $controller = null, $name = self::DEFAULT
         $form = Form::create($controller, $name, $fields, $actions, $validator);
         $form->addExtraClass('form--fill-height');
         $form->addExtraClass('form--no-dividers');
-        $form->addExtraClass('insert-embed-modal--'. strtolower($context['type']));
+        $form->addExtraClass('insert-embed-modal--'. strtolower($context['type'] ?? ''));
 
         // Extend form
         $this->invokeWithExtensions('updateForm', $form, $controller, $name, $context);
@@ -230,7 +230,7 @@ protected function getEditFormFields($context)
             return $this->getCreateFormFields();
         }
 
-        $url = trim($url);
+        $url = trim($url ?? '');
 
         // Get embed
         $this->validateUrl($url);
@@ -316,12 +316,12 @@ protected function getEditFormFields($context)
      */
     protected function validateURLScheme($url)
     {
-        $scheme = strtolower(parse_url($url, PHP_URL_SCHEME));
+        $scheme = strtolower(parse_url($url ?? '', PHP_URL_SCHEME) ?? '');
         $allowedSchemes = self::config()->get('fileurl_scheme_whitelist');
         $disallowedSchemes = self::config()->get('fileurl_scheme_blacklist');
         if (!$scheme
-            || ($allowedSchemes && !in_array($scheme, $allowedSchemes))
-            || ($disallowedSchemes && in_array($scheme, $disallowedSchemes))
+            || ($allowedSchemes && !in_array($scheme, $allowedSchemes ?? []))
+            || ($disallowedSchemes && in_array($scheme, $disallowedSchemes ?? []))
         ) {
             throw new InvalidRemoteUrlException(_t(
                 __CLASS__ . '.ERROR_SCHEME',
@@ -336,12 +336,12 @@ protected function validateURLScheme($url)
      */
     protected function validateURLHost($url)
     {
-        $domain = strtolower(parse_url($url, PHP_URL_HOST));
+        $domain = strtolower(parse_url($url ?? '', PHP_URL_HOST) ?? '');
         $allowedDomains = self::config()->get('fileurl_domain_whitelist');
         $disallowedDomains = self::config()->get('fileurl_domain_blacklist');
         if (!$domain
-            || ($allowedDomains && !in_array($domain, $allowedDomains))
-            || ($disallowedDomains && in_array($domain, $disallowedDomains))
+            || ($allowedDomains && !in_array($domain, $allowedDomains ?? []))
+            || ($disallowedDomains && in_array($domain, $disallowedDomains ?? []))
         ) {
             throw new InvalidRemoteUrlException(_t(
                 __CLASS__ . '.ERROR_HOSTNAME',
@@ -356,14 +356,14 @@ protected function validateURLHost($url)
      */
     protected function validateURLPort($url)
     {
-        $port = (int)parse_url($url, PHP_URL_PORT);
+        $port = (int)parse_url($url ?? '', PHP_URL_PORT);
         if (!$port) {
             return;
         }
         $allowedPorts = self::config()->get('fileurl_port_whitelist');
         $disallowedPorts = self::config()->get('fileurl_port_blacklist');
-        if (($allowedPorts && !in_array($port, $allowedPorts))
-            || ($disallowedPorts && in_array($port, $disallowedPorts))
+        if (($allowedPorts && !in_array($port, $allowedPorts ?? []))
+            || ($disallowedPorts && in_array($port, $disallowedPorts ?? []))
         ) {
             throw new InvalidRemoteUrlException(_t(
                 __CLASS__ . '.ERROR_PORT',

code/Forms/UploadField.php

@@ -328,7 +328,7 @@ public function performDisabledTransformation()
     public function validate($validator)
     {
         $maxFiles = $this->getAllowedMaxFileNumber();
-        $count = count($this->getItems());
+        $count = count($this->getItems() ?? []);
 
         if ($maxFiles < 1 || $count <= $maxFiles) {
             return true;

code/GraphQL/Resolvers/AssetAdminResolver.php

@@ -114,9 +114,9 @@ public static function resolveDeleteFiles($object, array $args, $context, Resolv
 
         /** @var DataList $file */
         $files = Versioned::get_by_stage(File::class, Versioned::DRAFT)->byIDs($idList);
-        if ($files->count() < count($idList)) {
+        if ($files->count() < count($idList ?? [])) {
             // Find out which files count not be found
-            $missingIds = array_diff($idList, $files->column('ID'));
+            $missingIds = array_diff($idList ?? [], $files->column('ID'));
             throw new InvalidArgumentException(sprintf(
                 '%s items %s are not found',
                 File::class,
@@ -193,7 +193,7 @@ public static function resolvePublicationNotice($value, array $args, array $cont
     {
         $fieldName = $info->fieldName;
         $method = 'get'.$fieldName;
-        if (method_exists($value, $method)) {
+        if (method_exists($value, $method ?? '')) {
             return $value->$method();
         }
 
@@ -227,9 +227,9 @@ public static function resolveReadDescendantFileCounts($object, array $args, $co
 
         /** @var DataList|File[] $files */
         $files = Versioned::get_by_stage(File::class, Versioned::DRAFT)->byIDs($ids);
-        if ($files->count() < count($ids)) {
+        if ($files->count() < count($ids ?? [])) {
             $class = File::class;
-            $missingIds = implode(', ', array_diff($ids, $files->column('ID')));
+            $missingIds = implode(', ', array_diff($ids ?? [], $files->column('ID')));
             throw new \InvalidArgumentException("{$class} items {$missingIds} are not found");
         }
 
@@ -255,9 +255,9 @@ public static function resolveReadFileUsage($object, array $args, $context, Reso
 
         /** @var DataList|File[] $files */
         $files = Versioned::get_by_stage(File::class, Versioned::DRAFT)->byIDs($idList);
-        if ($files->count() < count($idList)) {
+        if ($files->count() < count($idList ?? [])) {
             // Find out which files count not be found
-            $missingIds = array_diff($idList, $files->column('ID'));
+            $missingIds = array_diff($idList ?? [], $files->column('ID'));
             throw new InvalidArgumentException(sprintf(
                 '%s items %s are not found',
                 File::class,

code/GraphQL/Resolvers/FolderTypeResolver.php

@@ -66,7 +66,7 @@ public static function resolveFolderChildren(
         $canViewIDs = array_keys(array_filter($permissionChecker->canViewMultiple(
             $ids,
             $member
-        )));
+        ) ?? []));
         // Filter by visible IDs (or force empty set if none are visible)
         // Remove the limit as it no longer applies. We've already filtered down to the exact
         // IDs we need.

code/GraphQL/Resolvers/PublicationResolver.php

@@ -56,8 +56,8 @@ private static function resolvePublicationOperation(
             ->byIds($idList);
 
         // If warning suppression is not on, bundle up all the warnings into a single exception
-        if (!$quiet && $files->count() < count($idList)) {
-            $missingIds = array_diff($idList, $files->column('ID'));
+        if (!$quiet && $files->count() < count($idList ?? [])) {
+            $missingIds = array_diff($idList ?? [], $files->column('ID'));
             foreach ($missingIds as $id) {
                 $warningMessages[] = sprintf(
                     'File #%s either does not exist or is not on stage %s.',

code/GraphQL/Schema/Builder.php

@@ -19,12 +19,12 @@ public static function updateSchema(Schema $schema): void
     {
         $categoryValues = array_map(function ($category) {
             return ['value' => $category];
-        }, File::config()->get('app_categories'));
+        }, File::config()->get('app_categories') ?? []);
 
         // Sanitise GraphQL Enum aliases (some contain slashes)
         foreach ($categoryValues as $key => $v) {
             unset($categoryValues[$key]);
-            $newKey = strtoupper(preg_replace('/[^[[:alnum:]]]*/', '', $key));
+            $newKey = strtoupper(preg_replace('/[^[[:alnum:]]]*/', '', $key ?? '') ?? '');
             $categoryValues[$newKey] = $v;
         }
 

code/Helper/ImageThumbnailHelper.php

@@ -107,7 +107,7 @@ public function run()
             }
 
             $generated = $this->generateThumbnails($file);
-            if (count($generated) > 0) {
+            if (count($generated ?? []) > 0) {
                 $generatedCount++;
                 $this->logger->debug(sprintf('Generated thumbnail for %s', $file->Filename));
             }

code/Model/ThumbnailGenerator.php

@@ -145,7 +145,7 @@ public function generateLink(AssetContainer $thumbnail = null)
                 return $thumbnail->getURL();
             case self::INLINE:
                 // Generate inline content
-                $base64 = base64_encode($thumbnail->getString());
+                $base64 = base64_encode($thumbnail->getString() ?? '');
                 return sprintf(
                     'data:%s;base64,%s',
                     $thumbnail->getMimeType(),

tests/behat/src/FixtureContext.php

@@ -164,8 +164,8 @@ public function iAttachTheFileToDropzone($path, $name)
         // Get path
         $filesPath = $this->getFilesPath();
         if ($filesPath) {
-            $fullPath = rtrim(realpath($filesPath), DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR.$path;
-            if (is_file($fullPath)) {
+            $fullPath = rtrim(realpath($filesPath ?? '') ?? '', DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR.$path;
+            if (is_file($fullPath ?? '')) {
                 $path = $fullPath;
             }
         }
@@ -216,7 +216,7 @@ public function assertMessageBoxContainsText($text)
         $mainContext = $this->getMainContext();
         $mainContext
             ->assertSession()
-            ->elementTextContains('css', '.message-box', str_replace('\\"', '"', $text));
+            ->elementTextContains('css', '.message-box', str_replace('\\"', '"', $text ?? ''));
     }
 
     /**
@@ -404,7 +404,7 @@ public function iSelectTheImageInHtmlField($filename, $field)
     {
         $inputField = $this->getHtmlField($field);
         $inputFieldId = $inputField->getAttribute('id');
-        $filename = addcslashes($filename, "'");
+        $filename = addcslashes($filename ?? '', "'");
         $js = <<<JS
 var editor = jQuery('#$inputFieldId').entwine('ss').getEditor(),
 	doc = editor.getInstance().getDoc(),
@@ -434,7 +434,7 @@ public function iSelectTheImageInHtmlField($filename, $field)
      */
     protected function getHtmlField($locator)
     {
-        $locator = str_replace('\\"', '"', $locator);
+        $locator = str_replace('\\"', '"', $locator ?? '');
         $page = $this->getMainContext()->getSession()->getPage();
         $element = $page->find('css', 'textarea.htmleditor[name=\'' . $locator . '\']');
         if ($element) {

tests/php/Controller/AssetAdminTest.php

@@ -91,7 +91,7 @@ public function testApiHistory()
 
         $this->assertFalse($response->isError());
 
-        $body = json_decode($response->getBody(), true);
+        $body = json_decode($response->getBody() ?? '', true);
 
         $this->assertArrayHasKey('summary', $body[0]);
         $this->assertArrayHasKey('versionid', $body[0]);
@@ -121,7 +121,7 @@ public function testItCreatesFile()
             'POST'
         );
         $this->assertFalse($response->isError());
-        $responseData = json_decode($response->getBody(), true);
+        $responseData = json_decode($response->getBody() ?? '', true);
         $newFile = File::get()->byID($responseData[0]['id']);
         $this->assertNotNull($newFile);
         $this->assertEquals($folder1->ID, $newFile->ParentID);
@@ -135,7 +135,7 @@ public function testItCreatesFile()
             'POST'
         );
         $this->assertFalse($response->isError());
-        $responseData = json_decode($response->getBody(), true);
+        $responseData = json_decode($response->getBody() ?? '', true);
         $newFile2 = File::get()->byID($responseData[0]['id']);
         $this->assertNotNull($newFile2);
         $this->assertEquals($folder1->ID, $newFile2->ParentID);
@@ -212,7 +212,7 @@ public function testItRestrictsCreateFileOnExtension()
         );
         $this->assertTrue($response->isError());
         $this->assertEquals(400, $response->getStatusCode());
-        $responseData = json_decode($response->getBody(), true);
+        $responseData = json_decode($response->getBody() ?? '', true);
         $this->assertEquals(
             [
                 'type' => 'error',
@@ -276,13 +276,13 @@ protected function getUploadFile($paramName, $tmpFileName = 'AssetAdminTest.txt'
         for ($i = 0; $i < 10000; $i++) {
             $tmpFileContent .= '0';
         }
-        file_put_contents($tmpFilePath, $tmpFileContent);
+        file_put_contents($tmpFilePath ?? '', $tmpFileContent);
 
         // emulates the $_FILES array
         return array(
             'name' => $tmpFileName,
             'type' => 'text/plaintext',
-            'size' => filesize($tmpFilePath),
+            'size' => filesize($tmpFilePath ?? ''),
             'tmp_name' => $tmpFilePath,
             'error' => UPLOAD_ERR_OK,
         );

tests/php/Forms/UploadFieldTest.php

@@ -108,7 +108,7 @@ public function testGetAttributes()
         $this->assertSame('Form_MyForm_MyField', $attributes['id']);
 
         // Check schema / state are encoded in this field
-        $this->assertEquals($schema, json_decode($attributes['data-schema'], true));
-        $this->assertEquals($state, json_decode($attributes['data-state'], true));
+        $this->assertEquals($schema, json_decode($attributes['data-schema'] ?? '', true));
+        $this->assertEquals($state, json_decode($attributes['data-state'] ?? '', true));
     }
 }

tests/php/Forms/UsedOnTableTest.php

@@ -28,7 +28,7 @@ protected function setUp(): void
         parent::setUp();
         TestAssetStore::activate('UsedOnTableTest');
         $path = dirname(__DIR__) . '/Forms/fixtures/testfile.txt';
-        $content = file_get_contents($path);
+        $content = file_get_contents($path ?? '');
         $file = File::get()->find('Name', 'testfile.txt');
         $file->setFromString($content, $file->generateFilename());
     }

tests/php/GraphQL/FolderTypeCreatorTest.php

@@ -118,7 +118,7 @@ public function testItShowsParents()
             ],
             array_map(function ($folder) {
                 return $folder->Name;
-            }, $parents)
+            }, $parents ?? [])
         );
     }
 

tests/php/GraphQL/Legacy/FolderTypeCreatorTest.php

@@ -139,7 +139,7 @@ public function testItShowsParents()
             ],
             array_map(function ($folder) {
                 return $folder->Name;
-            }, $parents)
+            }, $parents ?? [])
         );
     }