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Automatically flush Redis cache after publishing a WordPress post

WordPress / By / 6 June 2019

In a previous post I explained that clearing PHP opcode caches before WordPress Updates helps in streamlining the update process. WordPress updates no longer fail because of cached file locations. Did you know you can automatically flush opcode caches like Redis when you publishing a post or page in WordPress? Doing so ensures you and your visitors see the newly created content immediately.

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Clear PHP opcode caches before WordPress Updates: ease the updating process

WordPress / By / 15 April 2020

In various hosting environments, WordPress core-, plugin- and theme updates sometimes fail because of enabled opcode caches. Popular PHP opcode caches are OPcache, WinCache and APC. This little WordPress Must Use Plugin tries to flush opcode caches. Making your live a bit easier when updating WordPress Core, Plugins and Themes.

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Your WordPress hosting at Warp Speed - img. credits: Christian Daryanto Limas @ flickr

Optimize(d) WordPress hosting (9+ practical tips)

WordPress / By / 6 September 2021

9+ Practical tips to optimize WordPress hosting

Optimized WordPress hosting is a subject on which a lot is written about. And therefore, this post is not about where to host your WordPress blog, or who offers the best WordPress hosting. This post is for you developers, what you can do to optimize your WordPress hosting stack.

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Binary webshell through OPcache in PHP 7

Security / By / 11 March 2020

GoSecure wrote up a new PHP exploitation technique using the default OPcache engine from PHP 7. Using this attack vector, it’s possible to bypass certain hardening techniques that disallow the file write access in the web directory. This could be used by an attacker to execute his own malicious code in a hardened environment.


This new PHP 7 OPcache attack vector is an additional exploitation technique tailored to specific hardened environments. It is not a universal vulnerability affecting PHP applications. With the arrival of PHP 7.0 in major distributions such as Ubuntu 16.04, this attack vector reinforces even more the need to audit your code for file upload vulnerabilities and to be wary of potentially dangerous server configuration.

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PHP with WinCache on IIS

Windows Server / By / 6 September 2021

In this article you’ll learn how to install PHP on Windows Server IIS. With the Windows Cache Extension for PHP (WinCache). WinCache enabled PHP gives you great performance for WordPress, Drupal and Joomla websites, and decreases CPU usage. In this post I’ll show you it’s not hard to set up a high performing PHP stack on Windows Server (IIS). So, let’s optimize our PHP hosting on Windows Server!

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