Comments in PHP Comments are used to add notes or explanations to your code, making it easier to understand and maintain. PHP supports two types of comments: 1. Single-line comments: Start with // or # and continue until the end of the line. Syntax: // This is a single-line comment # This is also a...
Variables in PHP Variables are the fundamental building blocks of any programming language, and PHP is no exception. A variable in PHP is a named container that holds a value, which can be a string, integer, float, boolean, array, object, or NULL. Syntax: $variable_name = value; Examples: $name = 'saifosys'; // string variable $age =...
Creating a PHP File 1. Open a text editor (e.g., Notepad, Sublime Text) or an Integrated Development Environment (IDE) like Visual Studio Code. 2. Create a new file and save it with a .php extension (e.g., info.php). 3. Add the following code to the file: <?php // PHP code goes here ?> 1. Write your...
Downloading and Installing PHP Windows: 1. Go to the official PHP website ((link unavailable)) and click on the "Download" button. 2. Select the Windows version (x86 or x64) and choose the desired PHP version. 3. Click on the "Download" button to download the PHP installer. 4. Run the installer and follow the prompts to install...
Introduction to PHP PHP (Hypertext Preprocessor) is a popular server-side scripting language used for web development. It's a versatile language that can be used for building dynamic websites, web applications, and mobile applications. History of PHP PHP (Hypertext Preprocessor) was created in 1994 by Rasmus Lerdorf as a set of Common Gateway Interface (CGI) binaries...
JavaScript and Machine Learning JavaScript and Machine Learning is a powerful combination for building intelligent web applications. Machine learning (ML) is a subset of artificial intelligence (AI) that enables systems to learn from data and make predictions or decisions. JavaScript Machine Learning Libraries - TensorFlow.js: - JavaScript version of popular TensorFlow library - Supports ML...
Advanced Web Security with syntax and examples Advanced web security involves protecting web applications from sophisticated attacks and vulnerabilities. It requires a deep understanding of web application architecture, network protocols, and cryptography. Web Application Security Risks - Injection attacks (SQL, NoSQL, Command) - Cross-site scripting (XSS) - Cross-site request forgery (CSRF) - Authentication and authorization...
Web Performance Optimization with syntax and examples Web performance optimization is the process of improving the speed and efficiency of web applications. It involves identifying and addressing performance bottlenecks, optimizing code and resources, and ensuring a smooth user experience. Performance Optimization Techniques - Minification and Compression: - Reduce file size by removing unnecessary characters and...
JavaScript Frameworks and Libraries with syntax and examples JavaScript frameworks and libraries are pre-built code packages that provide a structure and tools to build web applications efficiently. They simplify development, reduce code duplication, and improve maintainability. Popular JavaScript Frameworks - React: - Component-based architecture - Virtual DOM for efficient rendering - JSX syntax for templating...
Javascript TypeScript and Static Typing with syntax and examples TypeScript is a superset of JavaScript that adds optional static typing and other features to improve the development experience. Static typing allows developers to catch errors early and improve code maintainability, thus making it a crucial aspect of TypeScript. TypeScript Basics - Variables and Types: -...
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