Title: FunctionDeclaration::fromArray
Published: May 20, 2026

---

# FunctionDeclaration::fromArray( $array )

## In this article

 * [Source](https://developer.wordpress.org/reference/classes/wordpress-aiclient-tools-dto-functiondeclaration/fromarray/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/classes/wordpress-aiclient-tools-dto-functiondeclaration/fromarray/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/classes/wordpress-aiclient-tools-dto-functiondeclaration/fromarray/?output_format=md#changelog)

[ Back to top](https://developer.wordpress.org/reference/classes/wordpress-aiclient-tools-dto-functiondeclaration/fromarray/?output_format=md#wp--skip-link--target)

{@inheritDoc}

## 󠀁[Source](https://developer.wordpress.org/reference/classes/wordpress-aiclient-tools-dto-functiondeclaration/fromarray/?output_format=md#source)󠁿

    ```php
    public static function fromArray(array $array): self
    {
        static::validateFromArrayData($array, [self::KEY_NAME, self::KEY_DESCRIPTION]);
        return new self($array[self::KEY_NAME], $array[self::KEY_DESCRIPTION], $array[self::KEY_PARAMETERS] ?? null);
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/php-ai-client/src/tools/dto/functiondeclaration.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-includes/php-ai-client/src/Tools/DTO/FunctionDeclaration.php#L117)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/php-ai-client/src/Tools/DTO/FunctionDeclaration.php#L117-L121)

## 󠀁[Related](https://developer.wordpress.org/reference/classes/wordpress-aiclient-tools-dto-functiondeclaration/fromarray/?output_format=md#related)󠁿

| Uses | Description | 
| [FunctionDeclaration::__construct()](https://developer.wordpress.org/reference/classes/wordpress-aiclient-tools-dto-functiondeclaration/__construct/)`wp-includes/php-ai-client/src/Tools/DTO/FunctionDeclaration.php` |

Constructor.

  |

| Used by | Description | 
| [ModelConfig::fromArray()](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-models-dto-modelconfig/fromarray/)`wp-includes/php-ai-client/src/Providers/Models/DTO/ModelConfig.php` |

{@inheritDoc}

  |

## 󠀁[Changelog](https://developer.wordpress.org/reference/classes/wordpress-aiclient-tools-dto-functiondeclaration/fromarray/?output_format=md#changelog)󠁿

| Version | Description | 
| [0.1.0](https://developer.wordpress.org/reference/since/0.1.0/) | Introduced. |

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