Build an AI-Powered Hotel Booking System with PHP & MySQL

Learn to switch PHP versions on a Windows gem by swapping Apache and PHP folders, testing with phpinfo, and restarting the server to toggle 8.1.1 and 7.4.27.

Shift between PHP versions in Laragon on Windows by installing PHP 7.4, selecting it in Laragon, and restarting services to switch back to PHP 8.1.10 as needed.

Explore PHP string functions such as count_chars, sprintf, strRepeat, strWordCount, strRev, strpos, and strip_tags with practical examples for character counting, formatting, repetition, word counting, reversing, searching, and input sanitization.

Explore PHP operators and expressions, including arithmetic, assignment, comparison, string concatenation with the dot, and the spaceship operator, with practical examples.

Explore how to use the PHP switch statement to perform actions based on conditions, leveraging case blocks, default handling, and break to control flow.

Explore PHP arrays, including indexed, associative, and multidimensional arrays, and learn to declare, access, count, and loop through elements using for and foreach.

Explore file I/O operations in PHP, including reading, creating, and appending text files, and viewing directory contents with scandir.

Learn to insert data into a database with PHP using the PDO method, writing insert into table with column names and values, begin transaction, and retrieving the last inserted ID.

Group rows with the GROUP BY clause and apply aggregate functions such as sum and count to produce per person totals, then use HAVING to filter groups.

Learn to prevent XSS attacks in PHP by validating and sanitizing user input, using prepared statements, and applying output encoding.

Explore pagination in an AI-powered hotel booking system built with PHP and MySQL, optimizing listing navigation, search results, and page performance.

Build a php and mysql login system with config, setup, and logout, protect inner pages with session checks, and switch from mysqli to pdo for secure database access.

Update the admin profile by removing bio and phone fields, editing name and email, and handling profile photo uploads with a timestamped admin_ prefix in PHP & MySQL.

Learn to implement a PHP and MySQL user registration and verification flow, including a front-end register page, a users table with verification token, and email verification to activate accounts.