PHP (Hypertext Preprocessor) is one of the most popular server-side scripting languages for web development. It has undergone significant changes since its inception. Here’s a brief history of its e...
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Server-side scripting is a technique used in web development where scripts run on a web server rather than on a user's browser (client-side). It is used to generate dynamic web pages, process user req...
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Setting Up a PHP Development Environment To develop PHP applications, you need a local server environment that includes a web server, PHP interpreter, and a database system. Popular options include...
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The PHP interpreter is the engine that processes PHP code and generates output, usually in the form of HTML, which is then sent to a web browser. It executes PHP scripts on the server side before deli...
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PHP has a simple and flexible syntax that is easy to learn. It allows embedding PHP code within HTML, making it a powerful language for web development. 1. PHP Tags and Code Blocks PHP code must b...
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PHP Variables: Declaration, Scope, and Data Types 1. Declaring Variables in PHP In PHP, variables start with a $ sign. Variable names are case-sensitive ($name and $Name are different). Variab...
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PHP: Booleans, Arrays, Objects, Null, and Constants 1. Booleans A Boolean in PHP represents true (1) or false (0). Booleans are often used in conditional statements. ✅ Example:
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PHP Operators Operators in PHP perform operations on variables and values. The main types of operators are: Arithmetic Operators Comparison Operators Logical Operators Assignment Operator...
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PHP Control Structures: Conditional Statements Conditional statements allow the execution of different code blocks based on conditions. PHP provides the following conditional structures: if statem...
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PHP Loops: for, while, do-while, foreach Loops in PHP are used to execute a block of code multiple times. The main types of loops in PHP are: for loop – Used when the number of iterations is kno...
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PHP Data Handling: Arrays and Array Functions Arrays in PHP allow us to store multiple values in a single variable. PHP provides three types of arrays: Indexed Arrays – Numeric keys. Associat...
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PHP Strings: Manipulation & Regular Expressions Strings in PHP are sequences of characters used for handling text. PHP provides numerous string functions for manipulation and supports regular express...
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Handling HTML Forms in PHP Forms are essential for collecting user input in web applications. PHP provides two primary methods to handle form submissions: GET Method: Sends data in the URL (visibl...
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PHP Functions: User-Defined Functions Functions in PHP help organize and reuse code, making programs more efficient. 1. Defining and Calling Functions A function is a block of code that runs only...
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PHP Functions: Parameters, Return Values, and Variable Scope Functions in PHP allow code reuse and modularity, making programs more efficient. This guide covers function parameters, return values, an...
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PHP Variable Scope & Built-in Functions 1. Variable Scope in PHP Variable scope determines where a variable can be accessed in a PHP script. PHP has four types of scope: Scope Description Loca...
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PHP File Handling: Opening, Reading, Writing, and Closing Files File handling in PHP allows you to read from and write to files on the server. PHP provides built-in functions to work with files effec...
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PHP File Uploads & Directory Operations PHP allows users to upload files and perform directory operations such as creating, deleting, and managing directories. 1. Handling File Uploads in PHP Upl...
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Databases in PHP: Understanding Relational Databases (MySQL/MariaDB) 1. Introduction to Relational Databases A relational database stores data in tables with relationships between them. The most com...
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Sessions and Cookies in PHP Sessions and cookies are essential for maintaining user data across multiple pages in PHP. 1. PHP Sessions A session is a way to store information about a user across ...
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Object-Oriented Programming (OOP) in PHP PHP supports Object-Oriented Programming (OOP), which helps in writing modular, reusable, and organized code. 1. Classes and Objects A class is a blueprin...
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Web Development Concepts in PHP 1. HTTP Protocol The HyperText Transfer Protocol (HTTP) is the foundation of communication between clients (browsers) and servers. It follows a request-response model...
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What is PHP? 🔹 PHP (Hypertext Preprocessor) is a server-side scripting language designed for web development. 🔹 It is used to create dynamic and interactive web pages. 🔹 PHP scripts ...
Date: 2025-03-24 00:00:00.000000
What is Server-Side Scripting? 🔹 Server-side scripting means the code runs on the web server, not in the user's browser. 🔹 The server processes the PHP code and sends plain HTML to the user's ...
Date: 2025-03-24 00:00:00.000000