How can one troubleshoot undefined type errors in PHP code in Visual Studio Code?

To troubleshoot undefined type errors in PHP code in Visual Studio Code, you can check for typos in variable names, ensure that the correct data type is being used, and verify that the variable is properly declared before use.

// Example code snippet demonstrating how to troubleshoot undefined type errors in PHP

$variable = "Hello"; // Correctly declared variable

echo $varible; // Typo in variable name will result in an undefined type error