🧪 PHP Coding/Practical Tasks

 

🔹 1. Simple Login System

🧠 Focus On:

  • HTML form

  • $_POST

  • Password hashing & password_verify()

  • Sessions (session_start())

✅ Must Know: How to validate and authenticate user credentials.

🔹 2. User Registration with Validation

🧠 Focus On:

  • Form submission

  • Email validation

  • Password match

  • Insert into MySQL

✅ Must Know: Email format check using filter_var(), required fields, hash password with password_hash().

🔹 3. CRUD Application (Create, Read, Update, Delete)

🧠 Focus On:

  • MySQLi connection

  • Insert, select, update, delete queries

  • URL query string for edit/delete actions

✅ Must Know: Build full CRUD using plain PHP & MySQL (with mysqli_* functions or PDO).

🔹 4. File Upload Script (Image Upload)

🧠 Focus On:

  • File form with enctype="multipart/form-data"

  • Validate file type/size

  • Move file to uploads/ folder

✅ Must Know: Handle $_FILES, use move_uploaded_file(), validate extension and size.

🔹 5. Form Handling with Error Messages

🧠 Focus On:

  • isset($_POST['submit'])

  • Show errors if fields are empty

  • Display success message

✅ Must Know: How to retain form values and show validation errors.

🔹 6. Search Filter (Live or Page Reload)

🧠 Focus On:

  • Search box

  • $_GET or $_POST

  • SQL query with LIKE

✅ Must Know: Use %keyword% in SQL and display matched results.

🔹 7. Pagination System

🧠 Focus On:

  • Limit and offset in SQL

  • Page numbers

  • $_GET['page']

✅ Must Know: Handle large data with pagination, display 5–10 items per page.

🔹 8. Session & Cookie Example

🧠 Focus On:

  • setcookie() and $_COOKIE

  • $_SESSION and session_destroy()

✅ Must Know: Store login status or visit count using session/cookie.

🔹 9. Contact Form with Email Functionality

🧠 Focus On:

  • Basic form

  • mail() function

  • $_POST data handling

✅ Must Know: How to send emails from a form in local and live server (SMTP setup for production).

🔹 10. Create a Dashboard After Login

🧠 Focus On:

  • Show username/image

  • Use $_SESSION

  • Protect pages with login check

✅ Must Know: Create a session-based dashboard layout and logout functionality.

💡 Practice Tip:

👉 Build a mini project combining these tasks like:

"User Management System" → Register, login, dashboard, profile update, image upload, logout.

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