Skip to main content
Home
  • Tutorials
  • SEO
  • AI
    • How to write an AI prompt
    • GenAI Roadmap for Beginners
  • Crypto
  • Web
    • Sample resume
    • Resume builder
    • Download movies for free
    • Download paid sotware for free
  • Python
  • langchain
  • HTML
  • CSS
  • JavaScript
  • Algorithm
  • DSA
  • PHP
  • Docker

Error message

  • Warning: Undefined array key "#submit_button" in Drupal\Core\Render\Element\Button::preRenderButton() (line 91 of core/lib/Drupal/Core/Render/Element/Button.php).
    Drupal\Core\Render\Element\Button::preRenderButton()
    call_user_func_array() (Line: 107)
    Drupal\Core\Render\Renderer->doTrustedCallback() (Line: 876)
    Drupal\Core\Render\Renderer->doCallback() (Line: 438)
    Drupal\Core\Render\Renderer->doRender() (Line: 510)
    Drupal\Core\Render\Renderer->doRender() (Line: 510)
    Drupal\Core\Render\Renderer->doRender() (Line: 227)
    Drupal\Core\Render\Renderer->render() (Line: 491)
    Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 92)
    __TwigTemplate_7a73f56f5318f4bbce87024a0c4b0513->block_content() (Line: 446)
    Twig\Template->yieldBlock() (Line: 71)
    __TwigTemplate_7a73f56f5318f4bbce87024a0c4b0513->doDisplay() (Line: 402)
    Twig\Template->yield() (Line: 358)
    Twig\Template->display() (Line: 373)
    Twig\Template->render() (Line: 51)
    Twig\TemplateWrapper->render() (Line: 34)
    twig_render_template() (Line: 380)
    Drupal\Core\Theme\ThemeManager->render() (Line: 497)
    Drupal\Core\Render\Renderer->doRender() (Line: 227)
    Drupal\Core\Render\Renderer->render() (Line: 491)
    Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 57)
    __TwigTemplate_4bd1c0eb0cbe812b32e04c0e8f4586a9->doDisplay() (Line: 402)
    Twig\Template->yield() (Line: 358)
    Twig\Template->display() (Line: 373)
    Twig\Template->render() (Line: 51)
    Twig\TemplateWrapper->render() (Line: 34)
    twig_render_template() (Line: 380)
    Drupal\Core\Theme\ThemeManager->render() (Line: 497)
    Drupal\Core\Render\Renderer->doRender() (Line: 227)
    Drupal\Core\Render\Renderer->render() (Line: 491)
    Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 100)
    __TwigTemplate_a507212c1d1f87295d8eeb597873d07e->block_content() (Line: 446)
    Twig\Template->yieldBlock() (Line: 79)
    __TwigTemplate_a507212c1d1f87295d8eeb597873d07e->doDisplay() (Line: 402)
    Twig\Template->yield() (Line: 358)
    Twig\Template->display() (Line: 373)
    Twig\Template->render() (Line: 51)
    Twig\TemplateWrapper->render() (Line: 34)
    twig_render_template() (Line: 380)
    Drupal\Core\Theme\ThemeManager->render() (Line: 497)
    Drupal\Core\Render\Renderer->doRender() (Line: 510)
    Drupal\Core\Render\Renderer->doRender() (Line: 227)
    Drupal\Core\Render\Renderer->render() (Line: 491)
    Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 51)
    __TwigTemplate_26ff4d3607963c25ef5d8d35d06625c5->doDisplay() (Line: 402)
    Twig\Template->yield() (Line: 358)
    Twig\Template->display() (Line: 373)
    Twig\Template->render() (Line: 51)
    Twig\TemplateWrapper->render() (Line: 34)
    twig_render_template() (Line: 380)
    Drupal\Core\Theme\ThemeManager->render() (Line: 497)
    Drupal\Core\Render\Renderer->doRender() (Line: 227)
    Drupal\Core\Render\Renderer->render() (Line: 491)
    Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 98)
    __TwigTemplate_a07762ad7fd3af2e684dffdc448359ec->doDisplay() (Line: 402)
    Twig\Template->yield() (Line: 358)
    Twig\Template->display() (Line: 373)
    Twig\Template->render() (Line: 51)
    Twig\TemplateWrapper->render() (Line: 34)
    twig_render_template() (Line: 380)
    Drupal\Core\Theme\ThemeManager->render() (Line: 497)
    Drupal\Core\Render\Renderer->doRender() (Line: 227)
    Drupal\Core\Render\Renderer->render() (Line: 162)
    Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 627)
    Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 157)
    Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse() (Line: 90)
    Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray() (Line: 246)
    Symfony\Component\EventDispatcher\EventDispatcher::Symfony\Component\EventDispatcher\{closure}() (Line: 206)
    Symfony\Component\EventDispatcher\EventDispatcher->callListeners() (Line: 56)
    Symfony\Component\EventDispatcher\EventDispatcher->dispatch() (Line: 188)
    Symfony\Component\HttpKernel\HttpKernel->handleRaw() (Line: 76)
    Symfony\Component\HttpKernel\HttpKernel->handle() (Line: 53)
    Drupal\Core\StackMiddleware\Session->handle() (Line: 48)
    Drupal\Core\StackMiddleware\KernelPreHandle->handle() (Line: 28)
    Drupal\Core\StackMiddleware\ContentLength->handle() (Line: 32)
    Drupal\big_pipe\StackMiddleware\ContentLength->handle() (Line: 201)
    Drupal\page_cache\StackMiddleware\PageCache->fetch() (Line: 138)
    Drupal\page_cache\StackMiddleware\PageCache->lookup() (Line: 87)
    Drupal\page_cache\StackMiddleware\PageCache->handle() (Line: 48)
    Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51)
    Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 53)
    Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 51)
    Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 715)
    Drupal\Core\DrupalKernel->handle() (Line: 19)
    
  • Warning: Undefined array key "#submit_button" in Drupal\Core\Render\Element\Button::preRenderButton() (line 91 of core/lib/Drupal/Core/Render/Element/Button.php).
    Drupal\Core\Render\Element\Button::preRenderButton()
    call_user_func_array() (Line: 107)
    Drupal\Core\Render\Renderer->doTrustedCallback() (Line: 876)
    Drupal\Core\Render\Renderer->doCallback() (Line: 438)
    Drupal\Core\Render\Renderer->doRender() (Line: 510)
    Drupal\Core\Render\Renderer->doRender() (Line: 510)
    Drupal\Core\Render\Renderer->doRender() (Line: 227)
    Drupal\Core\Render\Renderer->render() (Line: 491)
    Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 100)
    __TwigTemplate_a507212c1d1f87295d8eeb597873d07e->block_content() (Line: 446)
    Twig\Template->yieldBlock() (Line: 79)
    __TwigTemplate_a507212c1d1f87295d8eeb597873d07e->doDisplay() (Line: 402)
    Twig\Template->yield() (Line: 358)
    Twig\Template->display() (Line: 373)
    Twig\Template->render() (Line: 51)
    Twig\TemplateWrapper->render() (Line: 34)
    twig_render_template() (Line: 380)
    Drupal\Core\Theme\ThemeManager->render() (Line: 497)
    Drupal\Core\Render\Renderer->doRender() (Line: 227)
    Drupal\Core\Render\Renderer->render() (Line: 491)
    Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 90)
    __TwigTemplate_2b094f9e97a47aee0f30ce002cee4213->doDisplay() (Line: 402)
    Twig\Template->yield() (Line: 358)
    Twig\Template->display() (Line: 373)
    Twig\Template->render() (Line: 51)
    Twig\TemplateWrapper->render() (Line: 34)
    twig_render_template() (Line: 380)
    Drupal\Core\Theme\ThemeManager->render() (Line: 497)
    Drupal\Core\Render\Renderer->doRender() (Line: 227)
    Drupal\Core\Render\Renderer->render() (Line: 491)
    Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 100)
    __TwigTemplate_a507212c1d1f87295d8eeb597873d07e->block_content() (Line: 446)
    Twig\Template->yieldBlock() (Line: 79)
    __TwigTemplate_a507212c1d1f87295d8eeb597873d07e->doDisplay() (Line: 402)
    Twig\Template->yield() (Line: 358)
    Twig\Template->display() (Line: 373)
    Twig\Template->render() (Line: 51)
    Twig\TemplateWrapper->render() (Line: 34)
    twig_render_template() (Line: 380)
    Drupal\Core\Theme\ThemeManager->render() (Line: 497)
    Drupal\Core\Render\Renderer->doRender() (Line: 510)
    Drupal\Core\Render\Renderer->doRender() (Line: 227)
    Drupal\Core\Render\Renderer->render() (Line: 491)
    Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 155)
    __TwigTemplate_26ff4d3607963c25ef5d8d35d06625c5->doDisplay() (Line: 402)
    Twig\Template->yield() (Line: 358)
    Twig\Template->display() (Line: 373)
    Twig\Template->render() (Line: 51)
    Twig\TemplateWrapper->render() (Line: 34)
    twig_render_template() (Line: 380)
    Drupal\Core\Theme\ThemeManager->render() (Line: 497)
    Drupal\Core\Render\Renderer->doRender() (Line: 227)
    Drupal\Core\Render\Renderer->render() (Line: 491)
    Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 98)
    __TwigTemplate_a07762ad7fd3af2e684dffdc448359ec->doDisplay() (Line: 402)
    Twig\Template->yield() (Line: 358)
    Twig\Template->display() (Line: 373)
    Twig\Template->render() (Line: 51)
    Twig\TemplateWrapper->render() (Line: 34)
    twig_render_template() (Line: 380)
    Drupal\Core\Theme\ThemeManager->render() (Line: 497)
    Drupal\Core\Render\Renderer->doRender() (Line: 227)
    Drupal\Core\Render\Renderer->render() (Line: 162)
    Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 627)
    Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 157)
    Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse() (Line: 90)
    Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray() (Line: 246)
    Symfony\Component\EventDispatcher\EventDispatcher::Symfony\Component\EventDispatcher\{closure}() (Line: 206)
    Symfony\Component\EventDispatcher\EventDispatcher->callListeners() (Line: 56)
    Symfony\Component\EventDispatcher\EventDispatcher->dispatch() (Line: 188)
    Symfony\Component\HttpKernel\HttpKernel->handleRaw() (Line: 76)
    Symfony\Component\HttpKernel\HttpKernel->handle() (Line: 53)
    Drupal\Core\StackMiddleware\Session->handle() (Line: 48)
    Drupal\Core\StackMiddleware\KernelPreHandle->handle() (Line: 28)
    Drupal\Core\StackMiddleware\ContentLength->handle() (Line: 32)
    Drupal\big_pipe\StackMiddleware\ContentLength->handle() (Line: 201)
    Drupal\page_cache\StackMiddleware\PageCache->fetch() (Line: 138)
    Drupal\page_cache\StackMiddleware\PageCache->lookup() (Line: 87)
    Drupal\page_cache\StackMiddleware\PageCache->handle() (Line: 48)
    Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51)
    Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 53)
    Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 51)
    Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 715)
    Drupal\Core\DrupalKernel->handle() (Line: 19)
    

Breadcrumb

  1. Home

PHP

PHP is a server scripting language

PHP is a case-sensitive by Nature.

PHP used  most in

  • Web development.

The internal PHP web server

PHP has Built-in web server.

 

PHP Launcher

The Python launcher is a feature which track all Python version installed in machine  and  handle to execute program of different Python versions.

 

how to check PHP installed or not

From the command-line  type 

C:\Users\manoj>py
Python 3.10.1 (tags/v3.10.1:2cd268a, Dec 6 2021, 19:10:37) [MSC v.1929 64 bit (AMD64)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>>

 

You should find that the latest version of Python you have installed

If multiple versions of Python installed try with specific version

C:\Users\manoj>py -2.7
Requested Python version (2.9) is not installed

If you see the following error, you do not have the launcher installed:

'py' is not recognized as an internal or external command, operable program or batch file.

key benefit: a single launcher can support multiple Python versions at the same time.

how to check pip installed or not

From the command-line  type 

C:\Users\manoj>pip --verion
C:\Users\manoj>pip --version pip 21.2.4 from C:\Users\manoj\AppData\Local\Programs\Python\Python310\lib\site-packages\pip (python 3.10)

Book navigation

  • Installing PHP
  • PHP Variables
RSS feed
Section
  • Home
  • Features
  • Pricing
  • FAQs
  • About
About
  • Advertise With Us
  • Disclaimer
  • About Us
  • Contact Us
  • Privacy Policy
  • Terms & Conditions
  • Sitemap
Section
  • Home
  • Features
  • Pricing
  • FAQs
  • About
Newsletter signup
The subscriber's email address.
Manage your newsletter subscriptions
Select the newsletter(s) to which you want to subscribe.
Stay informed - subscribe to our newsletter.
Manage existing

© 2022 - 2024 techbrushup.com. All rights reserved.