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Update PHP to 7.1 / 7.2 creates "Fatal Error 0 Using $this when not in object context" #21258

solenthaler opened this Issue Jul 25, 2018 · 2 comments


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solenthaler commented Jul 25, 2018

Steps to reproduce the issue

Update a Joomla 8.10.3 Installation from PHP 7.0 to 7.1 or 7.2
Starting the Website

Expected result

Normal Operation:

Actual result

Withe Page with
--> Fatal Error 0 Using $this when not in object context

System information (as much as possible)

Call stack

Function Location
1 ()JROOT/libraries/src/Application/CMSApplication.php:369
2 Joomla\CMS\Application\CMSApplication::getMenu() JROOT/libraries/src/Application/SiteApplication.php:275
3 Joomla\CMS\Application\SiteApplication::getMenu() JROOT/templates/aerzte_theme517/index.php:209
4 require() JROOT/libraries/src/Document/HtmlDocument.php:658
5 Joomla\CMS\Document\HtmlDocument->_loadTemplate() JROOT/libraries/src/Document/HtmlDocument.php:720
6 Joomla\CMS\Document\HtmlDocument->_fetchTemplate() JROOT/libraries/src/Document/HtmlDocument.php:535
7 Joomla\CMS\Document\HtmlDocument->parse() JROOT/libraries/src/Application/CMSApplication.php:1027
8 Joomla\CMS\Application\CMSApplication->render() JROOT/libraries/src/Application/SiteApplication.php:780
9 Joomla\CMS\Application\SiteApplication->render() JROOT/libraries/src/Application/CMSApplication.php:201
10 Joomla\CMS\Application\CMSApplication->execute() JROOT/index.php:49

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mbabker commented Jul 25, 2018

Unfortunately this is an error in your template JROOT/templates/aerzte_theme517/index.php:209. Basically, it's doing something like JSite::getMenu() or Joomla\CMS\Application\SiteApplication::getMenu() which calls the getMenu method in a static context, which is the incorrect way of calling that method. The code should be JFactory::getApplication()->getMenu().

@mbabker mbabker closed this Jul 25, 2018


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davietechfl commented Oct 21, 2018

Thank you, just worked for me on a Joomla site, changed the file as specified and site returned to normal opeation on PHP 7.1. Joomla recommended the update but without your change to the index.php site would not display, much appreciated.

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