As a beginner in web development, learning PHP can be a game changer. Here are 10 essential PHP tricks to help you enhance your coding skills:

1. Utilize built-in functions: PHP offers numerous built-in functions that can significantly reduce your coding time. Functions like array_merge() and strpos() are invaluable for common tasks.
2. Use comments wisely: Commenting your code effectively not only helps others to understand your code but also serves as a reminder for yourself when you revisit it.

Next, don’t underestimate the power of error handling. Implementing error handling using try-catch blocks can prevent your applications from crashing unexpectedly. This allows for graceful error management and user-friendly experiences. Additionally, make use of prepared statements to secure your database queries against SQL injection attacks. This is a crucial practice for any web developer.

3. Understand variable scope: Knowing the difference between local and global variables can help you avoid conflicts in your code.
4. Master loops and conditionals: These fundamental constructs will allow you to build complex logic into your applications with ease.

PHP, or 'Hypertext Preprocessor', is a widely-used server-side scripting language that has significantly influenced the development of the modern web. Originally created in 1994, PHP has evolved into a robust platform that powers millions of websites and applications. Its versatility allows developers to create dynamic content, manage databases, and transform data into useful information. Some of the key features that enhance its functionality include:

• Cross-platform compatibility
• Strong community support
• Extensive libraries and frameworks
• Ease of integration with various databases

As a cornerstone technology for web development, PHP plays an essential role in powering popular content management systems (CMS) like WordPress, Joomla, and Drupal. The language’s ability to handle complex functionalities and interact seamlessly with front-end technologies ensures that developers can create feature-rich applications with relative ease. Additionally, with the rise of PHP frameworks such as Laravel and Symfony, developers can build sophisticated applications that are not only scalable but also maintainable. The consistent updates and optimizations made to PHP also promise a bright future, as it continues to adapt to the ever-changing demands of web development and performance.

As we delve into the question of Is PHP still relevant in 2023, it's essential to recognize the enduring foundations of web development that PHP has established over the years. Initially released in 1995, PHP has supported millions of websites, including major platforms like WordPress and Facebook. Despite the emergence of newer technologies and frameworks, PHP continues to evolve. With the release of PHP 8.0, developers now benefit from significant performance improvements and new features such as JIT (Just In Time) compilation. These enhancements ensure that PHP remains a compelling choice for both small projects and complex web applications.

Looking ahead, PHP's future in web development appears promising. Its large community support translates into a wealth of resources, tutorials, and frameworks, which are crucial for developers at any skill level. Furthermore, PHP's compatibility with vast hosting environments and strong support for databases, especially MySQL, makes it an ideal option for building efficient web solutions. As more frameworks like Laravel and Symfony emerge, PHP is adapting to meet modern programming paradigms, such as MVC architecture. Thus, the question isn't whether PHP is relevant, but rather how it will continue to shape the landscape of web development in the coming years.