What role does the die() function with mysql_error() play in debugging PHP scripts that involve MySQL queries?

The die() function with mysql_error() is used to halt the execution of a PHP script when a MySQL query encounters an error. This can be helpful in debugging as it allows you to see the specific error message returned by MySQL, helping you identify and fix the issue with your query.

$query = "SELECT * FROM users";
$result = mysqli_query($connection, $query) or die("Error: " . mysqli_error($connection));

// Continue with processing the query results