Deprecated function: substr(): Passing null to parameter #1 ($string) of type string is deprecated in Drupal\gutenberg_content_embed\BlockProcessor\DrupalContentProcessor->isSupported()

Created on 28 November 2022, over 2 years ago
Updated 24 January 2023, about 2 years ago

Problem/Motivation

Once you use the bock to embed a page sometimes you get the following error:

Deprecated function: substr(): Passing null to parameter #1 ($string) of type string is deprecated in Drupal\gutenberg_content_embed\BlockProcessor\DrupalContentProcessor->isSupported() (line 118 of /app/web/modules/contrib/gutenberg_content_embed/src/BlockProcessor/DrupalContentProcessor.php)

#0 /app/web/core/includes/bootstrap.inc(347): _drupal_error_handler_real(8192, 'substr(): Passi...', '/app/web/module...', 118)
#1 [internal function]: _drupal_error_handler(8192, 'substr(): Passi...', '/app/web/module...', 118)
#2 /app/web/modules/contrib/gutenberg_content_embed/src/BlockProcessor/DrupalContentProcessor.php(118): substr(NULL, 0, 14)
#3 /app/web/modules/contrib/gutenberg/src/Plugin/Filter/GutenbergFilter.php(197): Drupal\gutenberg_content_embed\BlockProcessor\DrupalContentProcessor->isSupported(Array, '\n\n')
#4 /app/web/modules/contrib/gutenberg/src/Plugin/Filter/GutenbergFilter.php(117): Drupal\gutenberg\Plugin\Filter\GutenbergFilter->renderBlock(Array, Object(Drupal\Core\Render\BubbleableMetadata))
#5 /app/web/core/modules/filter/src/Element/ProcessedText.php(118): Drupal\gutenberg\Plugin\Filter\GutenbergFilter->process('<!-- wp:nara/im...', 'und')
#6 [internal function]: Drupal\filter\Element\ProcessedText::preRenderText(Array)
#7 /app/web/core/lib/Drupal/Core/Security/DoTrustedCallbackTrait.php(101): call_user_func_array(Array, Array)
#8 /app/web/core/lib/Drupal/Core/Render/Renderer.php(772): Drupal\Core\Render\Renderer->doTrustedCallback(Array, Array, 'Render #pre_ren...', 'exception', 'Drupal\\Core\\Ren...')
#9 /app/web/core/lib/Drupal/Core/Render/Renderer.php(363): Drupal\Core\Render\Renderer->doCallback('#pre_render', Array, Array)
#10 /app/web/core/lib/Drupal/Core/Render/Renderer.php(201): Drupal\Core\Render\Renderer->doRender(Array, false)
#11 /app/web/core/lib/Drupal/Core/Template/TwigExtension.php(479): Drupal\Core\Render\Renderer->render(Array)
#12 /app/vendor/twig/twig/src/Environment.php(418) : eval()'d code(88): Drupal\Core\Template\TwigExtension->escapeFilter(Object(Drupal\Core\Template\TwigEnvironment), Array, 'html', NULL, true)
#13 /app/vendor/twig/twig/src/Template.php(405): __TwigTemplate_5348fa0b6b81cb340caa71a56ebd9812->doDisplay(Array, Array)
#14 /app/vendor/twig/twig/src/Template.php(378): Twig\Template->displayWithErrorHandling(Array, Array)
#15 /app/vendor/twig/twig/src/Environment.php(418) : eval()'d code(46): Twig\Template->display(Array, Array)
#16 /app/vendor/twig/twig/src/Template.php(405): __TwigTemplate_24c47e87da133b6ac480ddf5993a2f6f->doDisplay(Array, Array)
#17 /app/vendor/twig/twig/src/Template.php(378): Twig\Template->displayWithErrorHandling(Array, Array)
#18 /app/vendor/twig/twig/src/Environment.php(418) : eval()'d code(43): Twig\Template->display(Array, Array)
#19 /app/vendor/twig/twig/src/Template.php(405): __TwigTemplate_46e8bdfa415bf1d6038839d28ca67d93->doDisplay(Array, Array)
#20 /app/vendor/twig/twig/src/Template.php(378): Twig\Template->displayWithErrorHandling(Array, Array)
#21 /app/vendor/twig/twig/src/Template.php(390): Twig\Template->display(Array)
#22 /app/web/core/themes/engines/twig/twig.engine(55): Twig\Template->render(Array)
#23 /app/web/core/lib/Drupal/Core/Theme/ThemeManager.php(384): twig_render_template('core/themes/cla...', Array)
#24 /app/web/core/lib/Drupal/Core/Render/Renderer.php(422): Drupal\Core\Theme\ThemeManager->render('field', Array)
#25 /app/web/core/lib/Drupal/Core/Render/Renderer.php(201): Drupal\Core\Render\Renderer->doRender(Array, false)
#26 /app/web/core/lib/Drupal/Core/Template/TwigExtension.php(479): Drupal\Core\Render\Renderer->render(Array)
#27 /app/vendor/twig/twig/src/Environment.php(418) : eval()'d code(80): Drupal\Core\Template\TwigExtension->escapeFilter(Object(Drupal\Core\Template\TwigEnvironment), Array, 'html', NULL, true)
#28 /app/vendor/twig/twig/src/Template.php(182): __TwigTemplate_5fc1f7a1f51f70a4758c47b34508e8ec->block_content(Array, Array)
#29 /app/vendor/twig/twig/src/Environment.php(418) : eval()'d code(68): Twig\Template->displayBlock('content', Array, Array)
#30 /app/vendor/twig/twig/src/Template.php(405): __TwigTemplate_5fc1f7a1f51f70a4758c47b34508e8ec->doDisplay(Array, Array)
#31 /app/vendor/twig/twig/src/Template.php(378): Twig\Template->displayWithErrorHandling(Array, Array)
#32 /app/vendor/twig/twig/src/Template.php(390): Twig\Template->display(Array)
#33 /app/web/core/themes/engines/twig/twig.engine(55): Twig\Template->render(Array)
#34 /app/web/core/lib/Drupal/Core/Theme/ThemeManager.php(384): twig_render_template('core/themes/cla...', Array)
#35 /app/web/core/lib/Drupal/Core/Render/Renderer.php(422): Drupal\Core\Theme\ThemeManager->render('block', Array)
#36 /app/web/core/lib/Drupal/Core/Render/Renderer.php(435): Drupal\Core\Render\Renderer->doRender(Array)
#37 /app/web/core/lib/Drupal/Core/Render/Renderer.php(201): Drupal\Core\Render\Renderer->doRender(Array, false)
#38 /app/web/core/lib/Drupal/Core/Template/TwigExtension.php(479): Drupal\Core\Render\Renderer->render(Array)
#39 /app/vendor/twig/twig/src/Environment.php(418) : eval()'d code(54): Drupal\Core\Template\TwigExtension->escapeFilter(Object(Drupal\Core\Template\TwigEnvironment), Array, 'html', NULL, true)
#40 /app/vendor/twig/twig/src/Template.php(405): __TwigTemplate_86aeee1b04441d2aa3ba0d2fac636b23->doDisplay(Array, Array)
#41 /app/vendor/twig/twig/src/Template.php(378): Twig\Template->displayWithErrorHandling(Array, Array)
#42 /app/vendor/twig/twig/src/Template.php(390): Twig\Template->display(Array)
#43 /app/web/core/themes/engines/twig/twig.engine(55): Twig\Template->render(Array)
#44 /app/web/core/lib/Drupal/Core/Theme/ThemeManager.php(384): twig_render_template('core/themes/sta...', Array)
#45 /app/web/core/lib/Drupal/Core/Render/Renderer.php(422): Drupal\Core\Theme\ThemeManager->render('layout__twocol_...', Array)
#46 /app/web/core/lib/Drupal/Core/Render/Renderer.php(435): Drupal\Core\Render\Renderer->doRender(Array)
#47 /app/web/core/lib/Drupal/Core/Render/Renderer.php(435): Drupal\Core\Render\Renderer->doRender(Array)
#48 /app/web/core/lib/Drupal/Core/Render/Renderer.php(201): Drupal\Core\Render\Renderer->doRender(Array, false)
#49 /app/web/core/lib/Drupal/Core/Template/TwigExtension.php(479): Drupal\Core\Render\Renderer->render(Array)
#50 /app/vendor/twig/twig/src/Environment.php(418) : eval()'d code(104): Drupal\Core\Template\TwigExtension->escapeFilter(Object(Drupal\Core\Template\TwigEnvironment), Array, 'html', NULL, true)
#51 /app/vendor/twig/twig/src/Template.php(405): __TwigTemplate_6c5c43c90e61f0123e1c3353e2522a1c->doDisplay(Array, Array)
#52 /app/vendor/twig/twig/src/Template.php(378): Twig\Template->displayWithErrorHandling(Array, Array)
#53 /app/vendor/twig/twig/src/Template.php(390): Twig\Template->display(Array)
#54 /app/web/core/themes/engines/twig/twig.engine(55): Twig\Template->render(Array)
#55 /app/web/core/lib/Drupal/Core/Theme/ThemeManager.php(384): twig_render_template('themes/custom/o...', Array)
#56 /app/web/core/lib/Drupal/Core/Render/Renderer.php(422): Drupal\Core\Theme\ThemeManager->render('node', Array)
#57 /app/web/core/lib/Drupal/Core/Render/Renderer.php(201): Drupal\Core\Render\Renderer->doRender(Array, false)
#58 /app/web/core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php(241): Drupal\Core\Render\Renderer->render(Array, false)
#59 /app/web/core/lib/Drupal/Core/Render/Renderer.php(564): Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}()
#60 /app/web/core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php(242): Drupal\Core\Render\Renderer->executeInRenderContext(Object(Drupal\Core\Render\RenderContext), Object(Closure))
#61 /app/web/core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php(132): Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object(Symfony\Component\HttpFoundation\Request), Object(Drupal\Core\Routing\CurrentRouteMatch))
#62 /app/web/core/lib/Drupal/Core/EventSubscriber/MainContentViewSubscriber.php(90): Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object(Symfony\Component\HttpFoundation\Request), Object(Drupal\Core\Routing\CurrentRouteMatch))
#63 [internal function]: Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object(Symfony\Component\HttpKernel\Event\ViewEvent), 'kernel.view', Object(Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher))
#64 /app/web/core/lib/Drupal/Component/EventDispatcher/ContainerAwareEventDispatcher.php(142): call_user_func(Array, Object(Symfony\Component\HttpKernel\Event\ViewEvent), 'kernel.view', Object(Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher))
#65 /app/vendor/symfony/http-kernel/HttpKernel.php(164): Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object(Symfony\Component\HttpKernel\Event\ViewEvent), 'kernel.view')
#66 /app/vendor/symfony/http-kernel/HttpKernel.php(81): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 1)
#67 /app/web/core/lib/Drupal/Core/StackMiddleware/Session.php(58): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#68 /app/web/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php(48): Drupal\Core\StackMiddleware\Session->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#69 /app/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(106): Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#70 /app/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(85): Drupal\page_cache\StackMiddleware\PageCache->pass(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#71 /app/web/core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php(48): Drupal\page_cache\StackMiddleware\PageCache->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#72 /app/web/core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php(51): Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#73 /app/vendor/stack/builder/src/Stack/StackedHttpKernel.php(23): Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#74 /app/web/core/lib/Drupal/Core/DrupalKernel.php(709): Stack\StackedHttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#75 /app/web/index.php(19): Drupal\Core\DrupalKernel->handle(Object(Symfony\Component\HttpFoundation\Request))
#76 {main}

Steps to reproduce

- Enabled Gutenberg Content Embed module
- On your content embed a page block

Proposed resolution

Minor code fix that returns an empty string in case that the block name is not returned

🐛 Bug report
Status

Fixed

Version

1.0

Component

Code

Created by

🇨🇴Colombia fabiansierra5191

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  • PHP 8.1

    The issue particularly affects sites running on PHP version 8.1.0 or later.

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