What are the best practices for formatting and posting PHP code in online forums for troubleshooting?

When posting PHP code in online forums for troubleshooting, it is important to follow best practices to ensure clarity and readability. Begin by providing a brief explanation of the issue or how to solve it in 3 to 5 sentences. Then, on a new line, present a complete PHP code snippet that implements the fix. Be sure to properly format the code snippet with appropriate indentation, line breaks, and syntax highlighting to make it easier for others to understand and help with the troubleshooting process. Additionally, consider providing relevant context or background information to give a better understanding of the problem and solution.