# Helpers

Mantle includes a variety of global "helper" functions (props to Laravel) to make life easier.

The [`mantle-framework/support` package includes a number of namespaced-helpers](/docs/features/support/helpers.md) that are available for use in your application.

## Application Helpers[​](#application-helpers "Direct link to Application Helpers")

### `app()`[​](#app "Direct link to app")

Retrieve the global Mantle Application Container or a specific binding on the container.

```php
app();

app( Specific_Binding::class );

```

### `config()`[​](#config "Direct link to config")

Retrieve a configuration value for the application in a dot-notation.

```php
config( 'app.value-to.get', 'default value' );

```

### `base_path()`[​](#base_path "Direct link to base_path")

Retrieve the base path to the application.

```php
base_path();

```

### `response()`[​](#response "Direct link to response")

Helper to build a response for a route (see 'Requests Lifecycle').

```php
response()->view( 'view/to/load' );

response()->json( [ 1, 2, 3 ] );

```

### `view()`[​](#view "Direct link to view")

Return a new instance of a view.

```php
echo view( 'view-to-load', [ 'variable' => 123 ] );

```

### `loop()`[​](#loop "Direct link to loop")

Loop over a collection/array of post objects. Supports a collection or array of `WP_Post` objects, Mantle Models, post IDs, or a `WP_Query` object.

```php
$posts = Post::all();
echo loop( $posts, 'view-to-load' );

```

### `iterate()`[​](#iterate "Direct link to iterate")

Iterate over a collection/array of arbitrary data. Each view is passed `index` and `item` as a the current item in the loop.

```php
echo iterate( [ 1, 2, 3 ], 'view-to-load' );

```

### `mantle_get_var()`[​](#mantle_get_var "Direct link to mantle_get_var")

Get the variable for a template part.

```php
mantle_get_var( 'index', 'default-value' );

```

### `route()`[​](#route "Direct link to route")

Get a URL to a specific route.

```php
route( 'route-name' );

```

### `abort()`[​](#abort "Direct link to abort")

Throw a HTTP exception with a specific status code inside of a route.

```php
abort( 404 );

abort( 400, 'Invalid arguments sent!' );

```

### `abort_if()` and `abort_unless()`[​](#abort_if-and-abort_unless "Direct link to abort_if-and-abort_unless")

Abort if the given condition passes or fails a truth test.

```php
abort_if( $value_to_check, 404 );

abort_unless( $value_to_check, 404 );

```

## Array Helpers[​](#array-helpers "Direct link to Array Helpers")

The `Mantle\Support\Arr` class contains all the Laravel array helper methods you might be familiar with (some methods have been renamed to match WordPress coding standards). You can reference those [here](https://laravel.com/docs/10.x/helpers#arrays).