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A plea for WordPress plugin developers to stop supporting legacy PHP versions
“A plea for plugin developers to stop supporting legacy PHP versions” (hear! hear!), Jeff Chandler writes on WP Tavern. Iain Poulson has published a thoughtful request on the Delicious Brains blog asking WordPress plugin developers to stop supporting legacy PHP versions. He covers some of the benefits of developing with newer versions of PHP, what Delicious Brains is doing with its plugins, and using the […]
Continue readingFatal error: Uncaught Error: [] operator not supported for strings – PHP 7.1
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! components. Here’s how to fix this code for PHP 7.1+.
Continue readingSet WP_MEMORY_LIMIT value correctly in wp-config.php
WordPress developers: please stay away from WP_MEMORY_LIMIT and PHP memory_limit settings! We see this done wrong over and over in WordPress plugins and themes. One of such themes is the premium theme Jupiter by Artbees, or WPML as plugin. WordPress users: don’t touch these memory limitation settings either! They’re imposed for a reason. Here’s some explanation:
Continue readingThe need for speed: Google dedicates engineering team to accelerate development of WordPress ecosystem
Search Engine Land writes that Google’s partnership with WordPress aims to jump-start the platform’s support of the latest web technologies — particularly those involving performance & mobile experience. And they’re hiring WordPress experts.
Continue readingHow to: Protect WordPress from brute-force XML-RPC attacks
The WordPress XML-RPC API has been under attack for many years now. Back in August 2014, WordPress released version 3.9.2, fixing a possible denial of service issue in PHP’s XML processing. There are brute-force amplification attacks, reported by Sucuri, and so on. So, how do you protect WordPress from xmlrpc.php attacks, but still being able to use (some of) its functionality like Jetpack? This post […]
Continue readingRemove Jetpack email sharing service
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 WordPress Jetpack.
Continue readingQuiet WordPress 4.7 RC2 available
Helen Hou-Sandi writes on Make WordPress Core that there is a quiet RC2 now available – it is a fair number of commits (50+), so please take a look through those and test as you can.
Continue readingClear PHP opcode caches before WordPress Updates: ease the updating process
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.
Continue readingBenchmarking WordPress, simple load & speed testing with ApacheBench
WordPress load testing with ApacheBench. ab is a small benchmark utility that comes with Apache. It’s a really simple HTTP load generating tool, ideal for a simple WordPress load & speed test. How fast does your WordPress site respond? How many HTTP requests per second can your server handle? These are questions on which ab can shed some light.
Continue readingMeasure WordPress loading time and queries
How to measure WordPress’ loading time and executed database queries? During an HTTP request, WordPress executes a lot of queries on your MySQL database. Not just the database queries take time, also loading and executing PHP takes time. How do you measure this?
Continue readingTips to speed up WordPress, serve gzip compressed static HTML files
Who said WordPress is slow on Windows Server IIS? Gzip compress and serve WP-Super-Cache or Cache Enabler static HTML files, to supercharge your WordPress blog. Here is how to serve gzip compressed HTML files through Windows Server IIS: create smaller, compressed, static HTML files, that are downloaded faster. This works with WP-Super-Cache and Cache Enabler on IIS!
Continue readingWordPress advisory: Akal premium theme XSS vulnerability & abandonded
Over the course of one week I had the opportunity to audit two hacked WordPress websites. I could quickly discover two vulnerabilities: a Cross Site Scripting, or XSS, in a premium WordPress theme Akal, and a SQL injection Denial-of-Service in a later to be disclosed plugin. This post describes the Akal premium WordPress theme XSS vulnerability.
Continue readingSSL in WordPress: how to move WordPress to HTTPS? The definitive guide
How to add SSL and HTTPS in your WordPress site, the definitive guide! Did you know that having an SSL certificate on your website is the de-facto standard nowadays? Google ranks sites having HTTPS higher in their SERP. But in WordPress, what do you need to do to set up, enable and install an SSL certificate in your WordPress website? You’ll learn the important steps to move WordPress from http to https in this post.
Continue reading17 Valuable WordPress snippets you never knew you couldn’t live without
17 valuable WordPress snippets for a site-specific plugin and functions.php that give you a better WordPress experience. Enhance your WordPress site with these small PHP snippets: WordPress filters, actions and functions. Quickly add or extend the functionality you need for your WordPress website! Read on…
Continue readingBreaking into a WordPress site without knowing WordPress/PHP or InfoSec at all
Someone posted to notehub.org an article on how he broke into his college’s WordPress website, without having any prior knowledge of WordPress, PHP, and without any experience with hacking web servers. The attempts were spread out over a month, but effectively totaled a day maybe. The author said to have learned a lot of things while doing the research part which accounted for most of […]
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