When it comes to web development, PHP frameworks play an essential role in streamlining the process and enhancing productivity. Mastering the right frameworks can significantly improve your coding efficiency and project outcomes. Here are the Top 10 PHP Frameworks every developer should master:

1. Laravel
2. Symfony
3. CodeIgniter
4. Yii
5. Phalcon
6. CakePHP
7. Zend Framework
8. FuelPHP
9. Slim
10. Lumen

Each of these frameworks comes with its unique advantages. For instance, Laravel is renowned for its elegant syntax and robust features, while Symfony is praised for its flexibility and scalability in large applications. By investing time to master these frameworks, developers can not only enhance their skills but also ensure they remain competitive in the ever-evolving tech landscape.

When developing with PHP, it's essential to be aware of common mistakes that can lead to bugs or security vulnerabilities. One prevalent error is neglecting to sanitize user input. Without proper sanitization, your application may become vulnerable to SQL injection attacks, potentially compromising sensitive data. To avoid this, always use prepared statements and parameterized queries when interacting with your database. Additionally, remember to validate all forms of user input to ensure that your code handles unexpected data gracefully.

Another common mistake is failing to manage error reporting effectively. By default, PHP may not display errors to users, which can make debugging a challenging task. However, enabling error reporting in the development environment and using the try-catch block can help you catch exceptions and handle them accordingly. It's also advisable to log errors to a file instead of showing them on the webpage, which enhances security by keeping sensitive information away from potential attackers.

When it comes to writing clean code in PHP, there are several essential tips that every developer should keep in mind. First, always maintain a consistent coding style. This includes using meaningful variable names and adhering to PSR standards, which enhance readability and maintainability. Additionally, consider using an IDE or text editor with syntax highlighting and linting features to catch common errors before running your code.

Another vital aspect is to embrace the power of modular programming. Break your code into functions and classes to promote reusability and simplify debugging. It is also beneficial to incorporate comments throughout your code, explaining complex logic or decisions. Following these practices not only unlocks the magic of PHP but also fosters collaboration among team members, making it easier for others to understand and contribute to your project.