PHP
PHP PDO Explained With Examples
PDO is the standard way to talk to a database from PHP. Connecting, prepared statements that stop SQL injection, fetching rows, transactions…
PHP
Server-side PHP explained simply — forms, sessions, databases and the errors that stop beginners. Practical examples you can run on a local server.
15 guides
PHP
Introduction to PHP
What PHP is, how it differs from JavaScript, how a request becomes a page, and your first working script — with the…
PHP
PHP 7 vs PHP 8: What Changed and Whether to Upgrade
PHP 7 has been end-of-life since 2022. What PHP 8 changed in the language, what breaks when you move, why the upgrade…
PHP
PHP Errors Not Showing in the Browser: display_errors and error_reporting
A blank white page and no error anywhere is PHP hiding the problem on purpose. Here is how to see errors in…
PHP
PHP Code Showing as Plain Text Instead of Running
Your PHP appears in the browser as source code, or the page is blank where the output should be. The file is…
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
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.
PHP
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…
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Where to go next
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JavaScript
How JavaScript works in the browser, explained with short examples you can paste and run.
24 guides
Keep going — pick your next guide
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