PHP
PHP Security Best Practices
The security work that actually matters in PHP: prepared statements, output escaping, CSRF tokens, password hashing, file uploads and session handling.
PHP
Server-side PHP explained simply — forms, sessions, databases and the errors that stop beginners. Practical examples you can run on a local server.
10 guides
PHP
Working with Files and Directories in PHP
Read, write, append and delete files in PHP, list directories safely, handle permissions errors, and avoid the path traversal mistake that makes…
PHP
What’s New in PHP 8.5: The Pipe Operator, URI Extension and Clone With
PHP 8.5 shipped in November 2025 with a pipe operator, a built-in URI parser, a clone-with syntax and array_first. What each one…
PHP
PHP Not Working With Apache on Ubuntu or Debian After an Upgrade
Apache serving PHP files as downloads or blank pages after a release upgrade? The PHP module version no longer matches. Here is…
PHP
PHP Frameworks Explained: Which One and Why
What a framework gives you over plain PHP, how Laravel, Symfony, CodeIgniter and Slim differ, and when writing it yourself is still…
PHP
Object-Oriented Programming (OOP) in PHP
Classes, constructors, visibility, interfaces and traits in PHP — with constructor promotion and the modern syntax that removes most of the boilerplate.
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Arrays and Data Structures in PHP
PHP arrays are both lists and dictionaries. How indexed and associative arrays differ, the functions worth knowing, and when to reach for…
PHP
Handling Errors and Exceptions in PHP
The difference between errors and exceptions in PHP, how try/catch/finally works, when to throw your own, and why you must never show…
PHP
Functions and Customising Behaviour in PHP
Writing PHP functions, default and named arguments, type declarations, and using callables so one function can behave differently for different callers.
PHP
Working with Forms and Form Handling in PHP
How PHP receives form data, why you must never trust it, and the validation, escaping and redirect pattern that makes a form…
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JavaScript
How JavaScript works in the browser, explained with short examples you can paste and run.
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