---
title: "TaxPresetCollection – API-Referenz · Quittio"
description: "final class Quittio\\Core\\Tax\\TaxPresetCollection"
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---

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[API reference](https://quittio.dev/docs/api) / [Quittio](https://quittio.dev/docs/api/Quittio) \\ [Core](https://quittio.dev/docs/api/Quittio/Core) \\ [Tax](https://quittio.dev/docs/api/Quittio/Core/Tax)

# TaxPresetCollection

final class in quittio/core · implements `Countable`, `IteratorAggregate`

`Quittio\Core\Tax\TaxPresetCollection` · [Source](https://github.com/Quittio/quittio/blob/v0.7.1/packages/core/src/Tax/TaxPresetCollection.php#L16)

## Methods \#

| Method | Description |
| --- | --- |
| `->__construct()` | |
| `->add()` | |
| `->alias()` | Makes a preset available under a further key, e.g. the key of an earlier version that stored data still carries. has() and get() find it; iterating and count() list only the presets. |
| `->count()` | |
| `->get()` | |
| `->getIterator()` | |
| `->has()` | |

### `__construct()`#

```
public function __construct(iterable<TaxPreset> $presets = [])
```

| Parameter | Type | Description |
| --- | --- | --- |
| `$presets` | `iterable< [TaxPreset](https://quittio.dev/docs/api/Quittio/Core/Tax/TaxPreset)>` = `[]` | |

### `add()`#

```
public function add(TaxPreset $preset): self
```

| Parameter | Type | Description |
| --- | --- | --- |
| `$preset` | `[TaxPreset](https://quittio.dev/docs/api/Quittio/Core/Tax/TaxPreset)` | |

<dl><dt>Returns</dt>
<dd><code>self</code></dd>
</dl>

### `alias()`#

```
public function alias(string $key, TaxPreset $preset): self
```

Makes a preset available under a further key, e.g. the key of an earlier version that stored data still carries. has() and get() find it; iterating and count() list only the presets.

| Parameter | Type | Description |
| --- | --- | --- |
| `$key` | `string` | |
| `$preset` | `[TaxPreset](https://quittio.dev/docs/api/Quittio/Core/Tax/TaxPreset)` | |

<dl><dt>Returns</dt>
<dd><code>self</code></dd>
</dl>

### `count()`#

```
public function count(): int
```

<dl><dt>Returns</dt>
<dd><code>int</code></dd>
</dl>

### `get()`#

```
public function get(string $key): TaxPreset
```

| Parameter | Type | Description |
| --- | --- | --- |
| `$key` | `string` | |

<dl><dt>Returns</dt>
<dd><code><a href="https://quittio.dev/docs/api/Quittio/Core/Tax/TaxPreset">TaxPreset</a></code></dd>
</dl>

### `getIterator()`#

```
public function getIterator(): Traversable
```

<dl><dt>Returns</dt>
<dd><code>Traversable</code></dd>
</dl>

### `has()`#

```
public function has(string $key): bool
```

| Parameter | Type | Description |
| --- | --- | --- |
| `$key` | `string` | |

<dl><dt>Returns</dt>
<dd><code>bool</code></dd>
</dl>

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```