Title: AiClient::validateModelOrConfigParameter
Published: May 20, 2026

---

# AiClient::validateModelOrConfigParameter( mixed $modelOrConfig ): void

## In this article

 * [Parameters](https://developer.wordpress.org/reference/classes/wordpress-aiclient-aiclient/validatemodelorconfigparameter/?output_format=md#parameters)
 * [Return](https://developer.wordpress.org/reference/classes/wordpress-aiclient-aiclient/validatemodelorconfigparameter/?output_format=md#return)
 * [Source](https://developer.wordpress.org/reference/classes/wordpress-aiclient-aiclient/validatemodelorconfigparameter/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/classes/wordpress-aiclient-aiclient/validatemodelorconfigparameter/?output_format=md#related)

[ Back to top](https://developer.wordpress.org/reference/classes/wordpress-aiclient-aiclient/validatemodelorconfigparameter/?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 that parameter is ModelInterface, ModelConfig, or null.

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

 `$modelOrConfig`mixedrequired

The parameter to validate.

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

 void

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

    ```php
    private static function validateModelOrConfigParameter($modelOrConfig): void
    {
        if ($modelOrConfig !== null && !$modelOrConfig instanceof ModelInterface && !$modelOrConfig instanceof ModelConfig) {
            throw new InvalidArgumentException('Parameter must be a ModelInterface instance (specific model), ' . 'ModelConfig instance (for auto-discovery), or null (default auto-discovery). ' . sprintf('Received: %s', is_object($modelOrConfig) ? get_class($modelOrConfig) : gettype($modelOrConfig)));
        }
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/php-ai-client/src/aiclient.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-includes/php-ai-client/src/AiClient.php#L362)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/php-ai-client/src/AiClient.php#L362-L367)

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

| Used by | Description | 
| [AiClient::generateResult()](https://developer.wordpress.org/reference/classes/wordpress-aiclient-aiclient/generateresult/)`wp-includes/php-ai-client/src/AiClient.php` |

Generates content using a unified API that automatically detects model capabilities.

  | 
| [AiClient::generateTextResult()](https://developer.wordpress.org/reference/classes/wordpress-aiclient-aiclient/generatetextresult/)`wp-includes/php-ai-client/src/AiClient.php` |

Generates text using the traditional API approach.

  | 
| [AiClient::generateImageResult()](https://developer.wordpress.org/reference/classes/wordpress-aiclient-aiclient/generateimageresult/)`wp-includes/php-ai-client/src/AiClient.php` |

Generates an image using the traditional API approach.

  | 
| [AiClient::convertTextToSpeechResult()](https://developer.wordpress.org/reference/classes/wordpress-aiclient-aiclient/converttexttospeechresult/)`wp-includes/php-ai-client/src/AiClient.php` |

Converts text to speech using the traditional API approach.

  | 
| [AiClient::generateSpeechResult()](https://developer.wordpress.org/reference/classes/wordpress-aiclient-aiclient/generatespeechresult/)`wp-includes/php-ai-client/src/AiClient.php` |

Generates speech using the traditional API approach.

  | 
| [AiClient::generateVideoResult()](https://developer.wordpress.org/reference/classes/wordpress-aiclient-aiclient/generatevideoresult/)`wp-includes/php-ai-client/src/AiClient.php` |

Generates a video using the traditional API approach.

  |

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