What are the potential benefits and drawbacks of using alternative PHP runtimes?

Using alternative PHP runtimes can offer benefits such as improved performance, better resource utilization, and additional features not available in the standard PHP runtime. However, drawbacks may include compatibility issues with certain PHP extensions or frameworks, limited community support, and potential security vulnerabilities.

// Example code snippet implementing the use of an alternative PHP runtime (e.g., HHVM)
// Ensure to install the alternative runtime and configure your server accordingly

// Original PHP code
echo "Hello, World!";

// HHVM code
echo "Hello, World!";