🧩 Week 8 – PHP Basics + Form Handling

Goal: Understand PHP fundamentals, how to handle form data, sessions, and simple backend functionality.

📚 Daily Outline

Day 1 – PHP Syntax & Data Types

🧠 Topics:

• What is PHP? Introduction & History
• PHP setup (XAMPP or Laragon)
• Basic Syntax: echo, comments, tags
• Variables and Constants
• Data Types: string, int, float, boolean, array

🛠 Activities:

• Install & run local server (XAMPP)
• Hello World in PHP
• Variable declaration exercises
• Practice identifying data types

Day 2 – Functions, Conditionals & Loops

🧠 Topics:

• if, else, elseif, switch
• for, while, do-while loops
• Functions: define, call, return
• Scope (global, local)

🛠 Activities:

• Write a calculator function
• Loop to print multiplication table
• Quiz: Predict output of given code snippets

Day 3 – Working with Forms in PHP

🧠 Topics:

• HTML Form Review
• PHP $\GET vs $\POST
• Form handling logic
• Form validation (required, empty, numeric)

🛠 Activities:

• Build a feedback/contact form
• Handle and display submitted data using POST
• Add basic validation rules

Day 4 – Include, Require, and Sessions

🧠 Topics:

• include vs require vs include\_once
• Creating modular pages (e.g., header.php, footer.php)
• Starting and managing sessions
• $\SESSION and $\COOKIE basics

🛠 Activities:

• Create a 3-page website with shared header/footer
• Build login system using sessions
• Practice: show logged-in username on dashboard

Day 5 – File Upload & Handling

🧠 Topics:

• enctype="multipart/form-data"
• $\_FILES array
• Validating file types/sizes
• Moving uploaded files to server

🛠 Activities:

• Create an image upload form
• Display uploaded image after submission
• Restrict upload to only .jpg/.png under 2MB

Day 6 – Mini Project: Contact Form with File Upload

🎯 Combine:

• PHP + Form + File Upload + Validation
• Create a styled contact form
• Store data in session or file
• Show thank you message upon successful submission

Day 7 – Quiz & Practice

🧪 Activities:

• PHP quiz (variables, control flow, $\_POST, sessions)
• Bug fix exercises
• Build: Registration form with validation (Name, Email, Password, Confirm)