Production-ready, copy-paste PHP functions, WooCommerce hooks, and speed tweaks.
When selling digital products, booking services, or individual course memberships, you often want only one item in the WooCommerce cart at any time. This hook clears the existing cart before adding a new product.
Important Technical Note: In PHP, upload_max_filesize and post_max_size are PHP_INI_PERDIR directives. Calling @ini_set() inside functions.php or wp-config.php is ineffective on modern FastCGI/PHP-FPM servers because the HTTP payload is evaluated before theme execution starts. To reliably increase your WordPress upload file size, place these directives in your .htaccess (Apache/LiteSpeed) or .user.ini (Nginx/PHP-FPM), and adjust WP_MEMORY_LIMIT in…
Brand your WordPress client websites by replacing the default WordPress logo on wp-login.php and redirecting the logo URL to your homepage.
By default, WordPress blocks SVG uploads due to potential XML vulnerability risks. This lightweight function safely whitelists SVG MIME types for administrators.
XML-RPC in WordPress is frequently targeted by brute-force attacks and DDoS amplification vulnerabilities. If you are not using the WordPress mobile app or Jetpack, disabling XML-RPC significantly improves site security and reduces server load.