Show the number of registered WordPress users in a At-a-Glance widget. This is particular handy as an indicator of compromise (IoC), when a hacker has registered numerous new users in your WordPress database for spam purposes.
Published on Tuesday, 12 May 2020
Change Akismet interval to three days instead of 15 days for deleting spam comments using the akismet_delete_comment_interval filter
Published on Monday, 9 December 2019
If you want to connect securely to your MySQL database using PHP Data Objects (PDO), here is how to connect to MySQL with PHP PDO using an SSL encrypted connection.
Published on Tuesday, 7 August 2018
With PHP 7.1, some PHP web applications fail because of deprecated code usage. This may result in an error message like `[] operator not supported for strings` for various Joomla, WordPress and Drupal components. Here's how to fix this code for PHP 7.1+.
Published on Friday, 2 March 2018
The WordPress memory limit can be increased by the WP_MEMORY_LIMIT variable in wp-config.php. However, I see this done wrong over and over again in WordPress plugins and themes. In a worst case scenario this may even decrease the available amount of memory for WordPress! So be careful with the advice you follow. In this post I show you a correct way of setting WordPress WP_MEMORY_LIMIT and PHP memory_limit settings.
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Published on Monday, 26 February 2018
Recently the WordPress Jetpack email sharing service is often abused by spammers. They use the Send to Email Address for sending spam. All these kind of "Tell a Friend" scripts are abused a lot. Here is how to disable email share service in Jetpack.
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Published on Friday, 19 May 2017
The default WordPress theme Twenty Seventeen's content width can be easily changed to full width. All you need is this bit of CSS. To make Twenty Seventeen full width in WordPress, add the following CSS to your theme's CSS file, or in Customizer's Additional CSS.
Published on Wednesday, 8 March 2017
Check WordPress integrity and verify WordPress Core files' md5 checksums against WordPress' checksums API, using this standalone PHP file. I chose to use a standalone PHP script to check the md5sum of WordPress Core files against the API so you're not dependent on a possibly hacked WordPress installation. This kind of guarantees the result can be trusted, as opposed to using a WordPress plugin. I think this is a better integrity check of WordPress Core files.
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Published on Friday, 16 December 2016
WordPress core-, plugin- and theme updates sometimes fail because of enabled opcode caches in PHP. 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.
Published on Wednesday, 19 October 2016
WinCache, or Windows Cache Extension for PHP, is a PHP accelerator that is used to significantly increase the speed of PHP applications running on Windows Server IIS. Besides increasing the speed of PHP applications, WinCache decreases CPU usage making it a win win situation extension.
Published on Sunday, 9 October 2016