How can var_dump() be used effectively in PHP to troubleshoot issues with variables?

When troubleshooting issues with variables in PHP, var_dump() can be used effectively to display the type and value of a variable. This can help identify unexpected data types or values that may be causing problems in your code. By using var_dump(), you can quickly pinpoint the issue and make necessary corrections.

// Example of using var_dump() to troubleshoot variable issues
$variable = "Hello, World!";
var_dump($variable);