Title: File::toArray
Published: May 20, 2026

---

# File::toArray(): WordPressAiClientFilesDTOFileArrayShape

## In this article

 * [Return](https://developer.wordpress.org/reference/classes/wordpress-aiclient-files-dto-file/toarray/?output_format=md#return)
 * [Source](https://developer.wordpress.org/reference/classes/wordpress-aiclient-files-dto-file/toarray/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/classes/wordpress-aiclient-files-dto-file/toarray/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/classes/wordpress-aiclient-files-dto-file/toarray/?output_format=md#changelog)

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

{@inheritDoc}

## 󠀁[Return](https://developer.wordpress.org/reference/classes/wordpress-aiclient-files-dto-file/toarray/?output_format=md#return)󠁿

 WordPressAiClientFilesDTOFileArrayShape

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

    ```php
    public function toArray(): array
    {
        $data = [self::KEY_FILE_TYPE => $this->fileType->value, self::KEY_MIME_TYPE => $this->getMimeType()];
        if ($this->url !== null) {
            $data[self::KEY_URL] = $this->url;
        } elseif (!$this->fileType->isRemote() && $this->base64Data !== null) {
            $data[self::KEY_BASE64_DATA] = $this->base64Data;
        } else {
            throw new RuntimeException('File requires either url or base64Data. This should not be a possible condition.');
        }
        return $data;
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/php-ai-client/src/files/dto/file.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-includes/php-ai-client/src/Files/DTO/File.php#L358)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/php-ai-client/src/Files/DTO/File.php#L358-L369)

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

| Uses | Description | 
| [File::getMimeType()](https://developer.wordpress.org/reference/classes/wordpress-aiclient-files-dto-file/getmimetype/)`wp-includes/php-ai-client/src/Files/DTO/File.php` |

Gets the MIME type of the file as a string.

  |

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

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

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