Title: validate_theme_requirements
Published: February 24, 2026

---

# apply_filters( ‘validate_theme_requirements’, bool|WP_Error $met_requirements, string $stylesheet )

## In this article

 * [Description](https://developer.wordpress.org/reference/hooks/validate_theme_requirements/?output_format=md#description)
 * [Parameters](https://developer.wordpress.org/reference/hooks/validate_theme_requirements/?output_format=md#parameters)
 * [Source](https://developer.wordpress.org/reference/hooks/validate_theme_requirements/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/hooks/validate_theme_requirements/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/hooks/validate_theme_requirements/?output_format=md#changelog)

[ Back to top](https://developer.wordpress.org/reference/hooks/validate_theme_requirements/?output_format=md#wp--skip-link--target)

Filters the theme requirement validation response.

## 󠀁[Description](https://developer.wordpress.org/reference/hooks/validate_theme_requirements/?output_format=md#description)󠁿

If a theme fails due to a Core-provided validation (incompatible WP, PHP versions),
this filter will not fire. A [WP_Error](https://developer.wordpress.org/reference/classes/wp_error/)
response will already be returned.

This filter is intended to add additional validation steps by site administrators.

## 󠀁[Parameters](https://developer.wordpress.org/reference/hooks/validate_theme_requirements/?output_format=md#parameters)󠁿

 `$met_requirements`bool|[WP_Error](https://developer.wordpress.org/reference/classes/wp_error/)

True if the theme meets requirements, [WP_Error](https://developer.wordpress.org/reference/classes/wp_error/)
if not.

`$stylesheet`string

Directory name for the theme.

## 󠀁[Source](https://developer.wordpress.org/reference/hooks/validate_theme_requirements/?output_format=md#source)󠁿

    ```php
    return apply_filters( 'validate_theme_requirements', true, $stylesheet );
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/theme.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/6.9.4/src/wp-includes/theme.php#L1018)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/theme.php#L1018-L1018)

## 󠀁[Related](https://developer.wordpress.org/reference/hooks/validate_theme_requirements/?output_format=md#related)󠁿

| Used by | Description | 
| [validate_theme_requirements()](https://developer.wordpress.org/reference/functions/validate_theme_requirements/)`wp-includes/theme.php` |

Validates the theme requirements for WordPress version and PHP version.

  |

## 󠀁[Changelog](https://developer.wordpress.org/reference/hooks/validate_theme_requirements/?output_format=md#changelog)󠁿

| Version | Description | 
| [6.9.0](https://developer.wordpress.org/reference/since/6.9.0/) | Introduced. |

## User Contributed Notes

You must [log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fdeveloper.wordpress.org%2Freference%2Fhooks%2Fvalidate_theme_requirements%2F)
before being able to contribute a note or feedback.