How to string replace on all WordPress posts in MySQL
Learn how to mysql replace content in your MySQL database in bulk with MySQL REPLACE. Sometimes it's useful to know how to bulk edit content in your WordPress MySQL database using MySQL replace() function.
Send authenticated SMTP email over TLS from WordPress
Learn how to override wp-mail() and send secure email using authenticated SMTP and StartTLS from WordPress.
Test SMTP Authentication and StartTLS
Investigate SMTP authentication issues like a boss! Particular over TLS encrypted SMTP connections, it's always handy if you are able to test the SMTP authentication and StartTLS connection. Preferably from your command-prompt.
prettyPhoto DOM based XSS
Uh-oh, prettyPhoto DOM based XSS on Saotn.org...
WordPress wp_options table autoload micro-optimization
Learn how to add an index and optimize WordPress' wp_options table for faster database results. This probably isn't a big issue, but today I noticed a slow MySQL query coming from a WordPress database (WordPress wp_options table). This made me investigate and to optimize the WordPress wp_options table "autoload" feature.
Optimize WP StatPress plugin database performance
The WordPress StatPress plugin (no longer available in the Plugin Directory) is still widely used and still is very slow. Here are some MySQL statements you can use to optimize its performance, as a WordPress optimization tip...
Install WordPress plugins without WP-admin access
Install WordPress plugins without admin access, and automate your WordPress customization and plugin installation. WordPress has a little drop-in plugin option available in the form of /wp-content/install.php. This install.php file is not present at default, but when created it can be used to install plugins without wp-admin access. This might come in handy for unattended WordPress installations, customization, and so on.
Set or remove the read-only attribute assigned to files with PHP chmod
Chmod.php, change file attributes with PHP to make files read only or normally accessible on Windows IIS servers. Sometimes you need chmod to make files read only on your website, or make them normally accessible in case they already are read only. For instance Drupal's settings.php configuration file, or WordPress Contact Form 7 temporary captcha files, are examples of read-only files.
WordPress plugin "In Over Your Archives" Call-time pass-by-reference fix for PHP 5.4
Here is how to fix PHP "Call-time pass-by-reference has been removed in ..." errors in PHP and WordPress.
How to load google-code-prettify syntax highlighting without plugins
If you run a WordPress blog where you display (parts of) source code, syntax highlighting is a must! It prettifies the code which makes it easier to read and it distinguishes code from text. However, most syntax highlighting is made available through plugins, and we all know too many plugins bring a lot of overhead to your blog.
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