When building web applications in PHP, security is very important. One common but less-known attack is Host Header Injection. In this attack, a hacker changes the Host header in the HTTP request to trick your application. In this guide, we’ll learn what Host Header Injection is and how to prevent it in PHP. What is … Read more
String-Based Questions 1. Reverse a string — without using built-ins.2. Is it a palindrome? Let’s find out.3. Remove duplicates from a string — efficiently.4. First non-repeating character — who stands alone?5. Count how many times each character appears.6. Flip the words in a sentence, not the letters.7. Are two strings anagrams? Prove it.8. Longest substring … Read more
In Drupal 10 and Drupal 11, entities (like nodes, taxonomy terms, users, or custom entities) are often linked together using entity reference fields. But what happens if you try to delete an entity that is already referenced by another piece of content? That’s why it’s a best practice to check if an entity is referenced … Read more
If you are working with multilingual websites in Drupal 10, you may want to translate routes in Drupal 10 so that your routes (pages created by modules) are available in multiple languages. For example: In this beginner’s guide, we’ll see how to translate routes in Drupal 10 — both the page title and the URL … Read more
In Drupal 10, Paragraphs are widely used to group multiple fields together as reusable entities. For example, you might have a “Team Member” paragraph containing Name, Role, and Photo fields. This guide will show you how to programmatically access paragraph field values attached to nodes, in a simple way even beginners can understand. Step 1: … Read more
If you are building a Drupal site and using Views to display content, you may have noticed a problem: when you use random sorting, sometimes the same content appears multiple times. In this guide, we will explain in simple language how to eliminate duplicate items in Views when using random sort. Even if you are … Read more
In Drupal, URLs are very important. When a user visits a page like /about-us, Drupal must convert it into an internal system path like /node/5. This is where InboundPathProcessorInterface comes in. It helps us change or rewrite incoming paths before Drupal routes them. In this blog, we will learn: What is InboundPathProcessorInterface? InboundPathProcessorInterface is a … Read more
Sometimes in Drupal, changes you make on your website may not appear immediately. This happens because Drupal stores data in cache to make the site faster. If your changes are not showing, you need clearing cache using SQL queries Drupal. This is especially useful if you are a developer or working on a local/test site … Read more
As a Drupal developer, sometimes you need to get a list of users with specific roles in Drupal. For example, you might want all users with the Editor role so that you can send them notifications, assign tasks, or show them in a block. In Drupal 10, this is easy using the Entity Query API. … Read more
Understanding the encryption and encoding difference is easier than it sounds. Both encryption and encoding change the way data looks, but they serve very different purposes. Encoding makes data readable by different systems, while encryption keeps data secret from anyone who shouldn’t see it. What is Encoding? Think of it like: Writing your message in … Read more