How can unexpected errors like "unexpected $" in the last line of code be resolved in PHP?

To resolve unexpected errors like "unexpected $" in the last line of code in PHP, you should carefully review the code for any syntax errors or misplaced characters. In this case, the error "unexpected $" typically occurs when there is a missing semicolon or closing bracket. By ensuring that all syntax is correct and properly structured, you can eliminate these unexpected errors.

// Incorrect code with unexpected $ error
$variable = "Hello World"
echo $variable$
```

```php
// Corrected code with the missing semicolon added
$variable = "Hello World";
echo $variable;