WordPress error: Can’t use function return value in write context

My WordPress website crashed after installing an update of one of the plugins. Then I could see only the white screen with the following error message:

Fatal error: Can’t use function return value in write context in /public_html/domain-name.com/wp-content/plugins/some-plugin/inc/php/functional.php on line 19

Add Google Analytics to WordPress website

Google Analytics allows you to get information about your websites visitors such as the devices or OS they were using and their location. Such information can be very useful for deciding how best to deliver content. Below, I’ll explain how to set up a Google Analytics on the WordPress website.

How to fix: Can’t use function return value in write context

After making an update to one of my WordPress plugins, when trying to load plugin settings page, I get the following error message:

Fatal error: Can’t use function return value in write context in /public_html/domain-name.com/wp-content/plugins/rss-feed-icon-for-specificfeedscom/inc/php/functional.php on line 19

Using constants in WordPress plugin

I’ve been writing WordPress plugins for a long time. At the top of the main plugin file, I usually define some constants. These constants contain basic information about my plugin, such as: Name of plugin, Path to plugin folder, Text domain name, and etc. Constants give me the opportunity to have easy and quick access to this information. And if I need to change any of this information, then I just change it once in constant instead of looking for every mention of this information in all plugin files.

How to fix: Jekyll build/serve error message

We can set up a local version of our Jekyll GitHub Pages website to preview our website before making the changes public. But when I run the jekyll [build | serve] command it throws the following error message: