How can error reporting and display settings be adjusted in PHP to aid in debugging?

To adjust error reporting and display settings in PHP to aid in debugging, you can use the ini_set() function to dynamically change the error reporting level and display errors setting. This can be useful for displaying errors during development and hiding them in production. 

```php
// Enable error reporting and display errors
ini_set('display_errors', 1);
ini_set('error_reporting', E_ALL);

// Your PHP code here
```

Remember to disable error display in production environments to prevent sensitive information from being exposed to users.

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