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Full stack PHP developers to code in popular PHP frameworks; Laravel, Symfony, Yii PHP, CakePHP, CodeIgniter, Zend Framework, Phalcon and PHP/Vue.JS projects. Find PHP WFH freelancers on January 21, 2025 who work remotely. Read less

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What to Know

What are the critical facts about PHP programming you should know?

Basic Facts about PHP:

Open Source: PHP is an open-source scripting language, meaning it's freely available for anyone to use, modify, and distribute.

Server-Side: PHP is primarily used for server-side scripting, meaning it runs on the web server and generates dynamic content for the web.

Easy to Learn: PHP's syntax is relatively straightforward, making it accessible for beginners, especially those with C or Perl background.

Integration with HTML: PHP code can be embedded directly within HTML, simplifying the creation of dynamic web pages.

Database Support: PHP has excellent support for various databases including MySQL, PostgreSQL, and others, making it ideal for web applications that require data storage.

Cross-Platform: PHP runs on various platforms (Windows, Linux, Unix, etc.) and with most web servers like Apache, Nginx.

PHP Versions: The language evolves with new versions; for instance, PHP 8 introduced significant performance improvements and new features like JIT compilation.

Error Reporting: PHP has robust error reporting and handling mechanisms, which can be configured to help in debugging.

Community & Ecosystem: There's a huge community around PHP, providing numerous frameworks (like Laravel, Symfony), libraries, and tools.

Session Handling: PHP has built-in functionality for managing sessions, which is crucial for maintaining user state across web pages.

Development Facts:

Object-Oriented Programming: PHP supports OOP with features like classes, objects, inheritance, interfaces, and traits, enhancing code reusability and organization.

Performance: With PHP 8's introduction of Just-In-Time (JIT) compilation, PHP's performance has significantly improved, especially for long-running scripts.

Security: PHP has built-in security features like password hashing, but developers must be vigilant about security practices (e.g., SQL injection prevention, XSS protection).

CLI: PHP can also be used from the command line, extending its utility beyond web development to automation and scripting.

Extensions: PHP's functionality can be extended through extensions, allowing for integration with external libraries or system resources.

Composer: The PHP package manager, Composer, simplifies dependency management, making it easier to include third-party libraries in projects.

Asynchronous Programming: While PHP is traditionally synchronous, libraries like ReactPHP or Swoole enable asynchronous and event-driven programming.

Type Hinting: PHP 7 and later versions introduced type declarations for function arguments and return types, improving code reliability and maintainability.

Anonymous Classes: Introduced in PHP 7, anonymous classes allow for one-time object creation, reducing boilerplate code.

Generators: PHP generators provide a way to iterate over large data sets with low memory usage by yielding values one at a time, rather than computing them all at once.

Key points:

Scalability: PHP can handle large-scale applications when used with proper architecture and caching strategies.

Frameworks: Modern PHP development often involves frameworks like Laravel or Symfony, which provide structured, scalable solutions for web development.

Backward Compatibility: PHP maintains backward compatibility with older versions, but developers are encouraged to use the latest stable version for security and performance benefits.

Debugging and Testing: Tools like Xdebug for debugging and PHPUnit for unit testing are integral parts of PHP development, helping to ensure code quality and reliability.

These facts highlight PHP's evolution from a simple scripting language to a robust, versatile tool for modern web development, appreciated by both new and experienced developers.

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