How can you troubleshoot the error message "No ending delimiter '$' found" in PHP?

The error message "No ending delimiter '$' found" in PHP typically occurs when there is a missing or mismatched delimiter in a string. To troubleshoot this issue, check for any missing or extra single quotes, double quotes, or backticks in your code. Example PHP code snippet to fix the issue:

// Incorrect code with missing delimiter
echo 'Hello, world;

// Corrected code with proper delimiter
echo 'Hello, world';