Contrib.social

TypeError: count(): Argument #1 ($value) must be of type Countable|array, string given

Open on Drupal.org →
Created on 27 December 2022, over 1 year ago
Updated 21 May 2024, about 1 month ago

Problem/Motivation

I recently noticed this error in my Watchdog log:

TypeError: count(): Argument #1 ($value) must be of type Countable|array, string given in count() (line 372 of /var/www/mysite/web/modules/contrib/diff/src/Form/RevisionOverviewForm.php) #0 /var/www/mysite/web/modules/contrib/diff/src/Form/RevisionOverviewForm.php(372): count()
#1 [internal function]: Drupal\diff\Form\RevisionOverviewForm->validateForm()
#2 /var/www/mysite/web/core/lib/Drupal/Core/Form/FormValidator.php(82): call_user_func_array()
#3 /var/www/mysite/web/core/lib/Drupal/Core/Form/FormValidator.php(275): Drupal\Core\Form\FormValidator->executeValidateHandlers()
#4 /var/www/mysite/web/core/lib/Drupal/Core/Form/FormValidator.php(118): Drupal\Core\Form\FormValidator->doValidateForm()
#5 /var/www/mysite/web/core/lib/Drupal/Core/Form/FormBuilder.php(591): Drupal\Core\Form\FormValidator->validateForm()
#6 /var/www/mysite/web/core/lib/Drupal/Core/Form/FormBuilder.php(323): Drupal\Core\Form\FormBuilder->processForm()
#7 /var/www/mysite/web/core/lib/Drupal/Core/Form/FormBuilder.php(222): Drupal\Core\Form\FormBuilder->buildForm()
#8 /var/www/mysite/web/modules/contrib/diff/src/Controller/NodeRevisionController.php(25): Drupal\Core\Form\FormBuilder->getForm()
#9 [internal function]: Drupal\diff\Controller\NodeRevisionController->revisionOverview()
#10 /var/www/mysite/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(123): call_user_func_array()
#11 /var/www/mysite/web/core/lib/Drupal/Core/Render/Renderer.php(580): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}()
#12 /var/www/mysite/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(124): Drupal\Core\Render\Renderer->executeInRenderContext()
#13 /var/www/mysite/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(97): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext()
#14 /var/www/mysite/vendor/symfony/http-kernel/HttpKernel.php(169): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}()
#15 /var/www/mysite/vendor/symfony/http-kernel/HttpKernel.php(81): Symfony\Component\HttpKernel\HttpKernel->handleRaw()
#16 /var/www/mysite/web/core/lib/Drupal/Core/StackMiddleware/Session.php(58): Symfony\Component\HttpKernel\HttpKernel->handle()
#17 /var/www/mysite/web/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php(48): Drupal\Core\StackMiddleware\Session->handle()
#18 /var/www/mysite/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(106): Drupal\Core\StackMiddleware\KernelPreHandle->handle()
#19 /var/www/mysite/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(85): Drupal\page_cache\StackMiddleware\PageCache->pass()
#20 /var/www/mysite/web/core/modules/ban/src/BanMiddleware.php(50): Drupal\page_cache\StackMiddleware\PageCache->handle()
#21 /var/www/mysite/web/core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php(48): Drupal\ban\BanMiddleware->handle()
#22 /var/www/mysite/web/core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php(51): Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle()
#23 /var/www/mysite/vendor/stack/builder/src/Stack/StackedHttpKernel.php(23): Drupal\Core\StackMiddleware\NegotiationMiddleware->handle()
#24 /var/www/mysite/web/core/lib/Drupal/Core/DrupalKernel.php(707): Stack\StackedHttpKernel->handle()
#25 /var/www/mysite/web/index.php(19): Drupal\Core\DrupalKernel->handle()
#26 {main}.

I'm using PHP 8.1.2 with Drupal 9.5.0. The problem here is that $form_state->getValue('node_revisions_table') returns a value of type string, which isn't a valid input to the PHP count() function.

Steps to reproduce

I haven't been able to reproduce the error manually.

Proposed resolution

Change this line:

if (count($form_state->getValue('node_revisions_table')) <= 1) {

to this:

$nodeRevisions = $form_state->getValue('node_revisions_table');
if (is_countable($nodeRevisions) && count($nodeRevisions) <= 1) {

I'll attach a patch in a moment.

🐛 Bug report
Status

Needs work

Version

1.0

Component

Code

Created by

🇺🇸United States sah62 US

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  • Needs tests

    The change is currently missing an automated test that fails when run with the original code, and succeeds when the bug has been fixed.

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