Learn PHP - 10 Code Examples & CST Typing Practice Test

PHP is a widely-used, open-source, server-side scripting language designed for building dynamic web applications, powering over 75% of websites. Known for its simplicity, massive ecosystem, and deep integration with databases and the web, PHP remains a core backend technology behind platforms like WordPress, Facebook (early), and Wikipedia.

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PHP Theme Toggle and Counter PHP Form Handling Example PHP Associative Array Example PHP Simple Function Example PHP Date and Time Example PHP Include and Require Example PHP File Handling Example PHP Simple Login Simulation PHP GET Parameters Example PHP Session Counter Example

Learn PHP with Real Code Examples

Updated Nov 17, 2025

Introduction & Fundamentals Setup & Configuration Architecture & Deep Internals Performance & Security Development Workflow Learning & Career Growth Business & Strategy Examples

Performance Notes

Use OPcache for faster execution

Prefer PHP 8 JIT for heavy workloads

Optimize queries with indexes

Use caching (Redis, memcached)

Security Notes

Always sanitize user input

Use prepared statements to avoid SQL injection

Avoid echoing raw inputs

Use hash() or password_hash() for passwords

Monitoring Analytics

Laravel Telescope

Sentry integration

New Relic for performance

Monolog logging

Code Quality

Use PHPStan/Psalm

Follow PSR standards

Use strict typing

Use dependency injection

Frequently Asked Questions about PHP

What is PHP?

What are the primary use cases for PHP?

Web applications and APIs. CMS and blog systems (WordPress). E-commerce platforms. REST and GraphQL backends. Automation scripts and cron jobs. Enterprise backend systems using Laravel/Symfony

What are the strengths of PHP?

Huge community and libraries. Easy deployment on shared hosting. Excellent frameworks (Laravel, Symfony). Fast and stable with PHP 8 engine. Highly productive for full-stack development

What are the limitations of PHP?

Inconsistent legacy APIs. Historically weak typing before PHP 7. Requires secure coding practices. Not designed for high-performance low-level systems

How can I practice PHP typing speed?

CodeSpeedTest offers 10+ real PHP code examples for typing practice. You can measure your WPM, track accuracy, and improve your coding speed with guided exercises.

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