Title: RequestOptions::validateTimeout
Published: May 20, 2026

---

# RequestOptions::validateTimeout( float|null $value, string $fieldName )

## In this article

 * [Parameters](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-requestoptions/validatetimeout/?output_format=md#parameters)
 * [Source](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-requestoptions/validatetimeout/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-requestoptions/validatetimeout/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-requestoptions/validatetimeout/?output_format=md#changelog)

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

This function’s access is marked private. This means it is not intended for use 
by plugin or theme developers, only by core. It is listed here for completeness.

Validates timeout values.

## 󠀁[Parameters](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-requestoptions/validatetimeout/?output_format=md#parameters)󠁿

 `$value`float|nullrequired

Timeout to validate.

`$fieldName`stringrequired

Field name for the error message.

## 󠀁[Source](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-requestoptions/validatetimeout/?output_format=md#source)󠁿

    ```php
    private function validateTimeout(?float $value, string $fieldName): void
    {
        if ($value !== null && $value < 0) {
            throw new InvalidArgumentException(sprintf('Request option "%s" must be greater than or equal to 0.', $fieldName));
        }
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/php-ai-client/src/providers/http/dto/requestoptions.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-includes/php-ai-client/src/Providers/Http/DTO/RequestOptions.php#L198)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/php-ai-client/src/Providers/Http/DTO/RequestOptions.php#L198-L203)

## 󠀁[Related](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-requestoptions/validatetimeout/?output_format=md#related)󠁿

| Used by | Description | 
| [RequestOptions::setTimeout()](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-requestoptions/settimeout/)`wp-includes/php-ai-client/src/Providers/Http/DTO/RequestOptions.php` |

Sets the request timeout in seconds.

  | 
| [RequestOptions::setConnectTimeout()](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-requestoptions/setconnecttimeout/)`wp-includes/php-ai-client/src/Providers/Http/DTO/RequestOptions.php` |

Sets the connection timeout in seconds.

  |

## 󠀁[Changelog](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-requestoptions/validatetimeout/?output_format=md#changelog)󠁿

| Version | Description | 
| [0.2.0](https://developer.wordpress.org/reference/since/0.2.0/) | Introduced. |

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