---
title: "StandardVersion – API-Referenz · Quittio"
description: "Version of the semantic standard EN 16931-1."
canonical_url: "https://quittio.dev/docs/api/Quittio/Core/Standards/StandardVersion"
locale: de
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  "og:description": "Version of the semantic standard EN 16931-1."
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---

> Index of every page on this site: [llms.txt](https://quittio.dev/llms.txt)

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

# StandardVersion

string-backed enum in quittio/core

`Quittio\Core\Standards\StandardVersion` · [Source](https://github.com/Quittio/quittio/blob/v0.7.1/packages/core/src/Standards/StandardVersion.php#L10)

Version of the semantic standard EN 16931-1.

## Cases \#

| Case | Value | Description |
| --- | --- | --- |
| `En16931_2017` | `'en16931-2017'` | |
| `En16931_2026` | `'en16931-2026'` | |

## Methods \#

| Method | Description |
| --- | --- |
| `::default()` | |
| `::fromSpecificationId()` | The version of a specification identifier (BT-24): EN 16931:2026 for identifiers that start with its URN, otherwise EN 16931:2017. |
| `->specificationId()` | |

### `default()`#

```
public static function default(): self
```

static

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

### `fromSpecificationId()`#

```
public static function fromSpecificationId(?string $specificationId): self
```

static

The version of a specification identifier (BT-24): EN 16931:2026 for identifiers that start with its URN, otherwise EN 16931:2017.

| Parameter | Type | Description |
| --- | --- | --- |
| `$specificationId` | `?string` | |

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

### `specificationId()`#

```
public function specificationId(): string
```

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

```json
{"@context":"https://schema.org","@graph":[{"@id":"https://quittio.dev/#website","@type":"WebSite","description":"E-Rechnungen für PHP und Laravel: ZUGFeRD, XRechnung und Peppol erstellen, prüfen, lesen und archivieren.","inLanguage":"de-DE","name":"Quittio","url":"https://quittio.dev/","publisher":{"@id":"https://quittio.dev/#identity"},"workTranslation":{"@id":"https://quittio.dev/en#website"}},{"@id":"https://quittio.dev/docs/api/Quittio/Core/Standards/StandardVersion#webpage","@type":"WebPage","description":"Version of the semantic standard EN 16931-1.","name":"StandardVersion – API-Referenz","url":"https://quittio.dev/docs/api/Quittio/Core/Standards/StandardVersion","isPartOf":{"@id":"https://quittio.dev/#website"},"potentialAction":[{"@type":"ReadAction","target":["https://quittio.dev/docs/api/Quittio/Core/Standards/StandardVersion"]}],"primaryImageOfPage":{"@id":"https://quittio.dev/#logo"}},{"@id":"https://quittio.dev/#identity","@type":"Organization","description":"Open-Source-Bibliothek für E-Rechnungen in PHP und Laravel (ZUGFeRD, XRechnung, Peppol) und Quittio Managed.","email":"kontakt@niklasforst.de","legalName":"Niklas Forst – Softwareentwicklung","name":"Quittio","url":"https://quittio.dev","founder":{"@type":"Person","name":"Niklas Forst","url":"https://quittio.dev/ueber"},"logo":{"@id":"https://quittio.dev/#logo"},"sameAs":["https://github.com/Quittio/quittio","https://packagist.org/packages/quittio/quittio"]},{"@id":"https://quittio.dev/#logo","@type":"ImageObject","caption":"Quittio","contentUrl":"https://quittio.dev/logo.png","inLanguage":"de-DE","url":"https://quittio.dev/logo.png"}]}
```