silverstripe-framework/docs/en/02_Developer_Guides/07_Debugging/index.md
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---
title: Debugging
summary: Learn how to identify errors in your application and best practice for logging application errors.
icon: bug
---
# Debugging
Silverstripe CMS can be a large and complex framework to debug, but there are ways to make debugging less painful. In this
guide we show the basics on defining the correct [Environment Type](environment_types) for your application and other
built-in helpers for dealing with application errors.
[CHILDREN]
## Performance
See the [Profiling](../performance/profiling) documentation for more information on profiling Silverstripe CMS to track down
bottle-necks and identify slow moving parts of your application chain.
## Debugging Utilities
The [Debug](api:SilverStripe\Dev\Debug) class contains a number of static utility methods for more advanced debugging.
```php
use SilverStripe\Dev\Debug;
use SilverStripe\Dev\Backtrace;
Debug::show($myVariable);
// similar to print_r($myVariable) but shows it in a more useful format.
Debug::message("Wow, that's great");
// prints a short debugging message.
Backtrace::backtrace();
// prints a calls-stack
```
## API Documentation
* [Backtrace](api:SilverStripe\Dev\Backtrace)
* [Debug](api:SilverStripe\Dev\Debug)