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All Posts by Bernhard

  • May 9, 2021
  • 1 comment

Creating SVG sprites in combination with wordpress/scripts

In one of my advent calendar blog posts in 2016 I wrote (in German) about how to create a SVG sprite with SVG symbols using a Gulp script. With Gutenberg becoming a major part of WordPress I have used the … Read more →

  • Posted in: Web development
  • April 25, 2021
  • 9 comments

Hide the download button for audio and video blocks

Last week I was asked for help on a website project. In this project, the website embeds some audio files into the page. This is a great feature of WordPress making it so easy to embed media files. But some … Read more →

  • Posted in: WordPress
  • April 11, 2021
  • 0 comments

Accessibility is not a feature

The yearly Global Accessibility Awareness Day is still some weeks away – this year it be celebrated on 20 May 2021 – but some recent discussions made be pick this topic for my next blog post. It’s not just a … Read more →

  • Posted in: Misc
  • March 28, 2021
  • 0 comments

Repairing the WordPress database

Earlier this week one website was not responding and showing an error that the connection to the database was not possible. Such an error is usually a sign, that the credentials are invalid. But no changes have been made to … Read more →

  • Posted in: WordPress
  • March 14, 2021
  • 0 comments

Show comments of private posts in the comments widget

In September 2017 I wrote a blog post on how to show tags from private posts in the tags widget. Three weeks ago I got a comment (on the German blog post) if something similar would be possible for comments … Read more →

  • Posted in: WordPress
  • February 28, 2021
  • 0 comments

Get detailed download stats for plugins

Recently I was checking the downloads of a plugin in the WordPress.org plugin directory. In the “Advanced View” of a plugin you will find a “Downloads Per Day” graph with the numbers from the past 267 days. Let’s take a … Read more →

  • Posted in: WordPress
  • February 14, 2021
  • 0 comments

Better security for WordPress with secure server headers

There are many options to make a WordPress website more secure. For some of those options you might use additional plugins. But there is an easy way to increase the security by setting only some server settings. But before I … Read more →

  • Posted in: WordPress
  • January 31, 2021
  • 0 comments

Debugging memory usage

Last week, an issue was reported for a site. It only occurred sometimes and the result was an Error 500. Activating the WP_DEBUG mode I was quickly able to find out that the memory limit was hit. The only fix … Read more →

  • Posted in: WordPress
  • January 17, 2021
  • 2 comments

Set the debug level using error_reporting

Everyone knows that. You work on a website and you run into issues. Sometime you even get a critical error like this: But in some cases, you don’t get the error on every single request. Then you have to activate … Read more →

  • Posted in: WordPress
  • December 27, 2020
  • 0 comments

Prevent deletion of post type items that are still used

This is probably an issue may of you have tun into. You embed a post type items into a page or post and then you delete this item without knowing it was embedded somewhere. For this example I will use … Read more →

  • Posted in: WordPress
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Portrait Bernhard Kau

 

My name is Bernhard Kau. I am a PHP developer, living in Berlin and a passionate WordPress user. I code plugins as a hobby and organize WordPress events, like the Meetup in Berlin.

Recent Posts

  • A year in review and some changes ahead for 2026
  • Campaign Archive Block for Mailchimp – show an archive of your newsletter on your website
  • Embeds for ProvenExpert – show rating and testimonials on your website
  • Yoast SEO – the SEO plugin I use
  • Yoast Duplicate Post – clone any post type with all data

Recent Comments

  • Bernhard on User Role Editor – customize existing roles and add new ones
  • Elena Brescacin on User Role Editor – customize existing roles and add new ones
  • Elena Brescacin on Antispam Bee – The essential spam blocking plugin for every blog
  • Jamie Dabrowiecki on Allow editors to edit the privacy policy page
  • Bernhard on Connect Matomo – get advanced statistics for your blog
I'm a CD Table Lead - WordCamp Europe Basel 2025

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