Resolving Case Sensitivity Issues in WordPress Post Links When updating a post in WordPress, you may notice that the post link (permalink) is automatically converted to lowercase, even if it originally contained a mix of uppercase and lowercase letters. This article explains why this happens and provides a solution to preserve case sensitivity in post links. The Issue The case sensitivity issue arises due to the sanitize_title() function in WordPress, located in the wp-includes/formatting.php file. This function processes the post title to generate a URL-friendly slug, converting it to lowercase…
