Title: WP_Site_Query::query
Published: August 16, 2016
Last modified: April 28, 2025

---

# WP_Site_Query::query( string|array $query ): 󠀁[WP_Site](https://developer.wordpress.org/reference/classes/wp_site/)󠁿[]|int[]|int

## In this article

 * [Parameters](https://developer.wordpress.org/reference/classes/wp_site_query/query/?output_format=md#parameters)
 * [Return](https://developer.wordpress.org/reference/classes/wp_site_query/query/?output_format=md#return)
 * [Source](https://developer.wordpress.org/reference/classes/wp_site_query/query/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/classes/wp_site_query/query/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/classes/wp_site_query/query/?output_format=md#changelog)

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

Sets up the WordPress query for retrieving sites.

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

 `$query`string|arrayrequired

Array or URL query string of parameters.

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

 [WP_Site](https://developer.wordpress.org/reference/classes/wp_site/)[]|int[]|int
List of [WP_Site](https://developer.wordpress.org/reference/classes/wp_site/) objects,
a list of site IDs when `'fields'` is set to `'ids'`, or the number of sites when`'
count'` is passed as a query var.

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

    ```php
    public function query( $query ) {
    	$this->query_vars = wp_parse_args( $query );

    	return $this->get_sites();
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/class-wp-site-query.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/6.9.4/src/wp-includes/class-wp-site-query.php#L269)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/class-wp-site-query.php#L269-L273)

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

| Uses | Description | 
| [WP_Site_Query::get_sites()](https://developer.wordpress.org/reference/classes/wp_site_query/get_sites/)`wp-includes/class-wp-site-query.php` |

Retrieves a list of sites matching the query vars.

  | 
| [wp_parse_args()](https://developer.wordpress.org/reference/functions/wp_parse_args/)`wp-includes/functions.php` |

Merges user defined arguments into defaults array.

  |

| Used by | Description | 
| [WP_Site_Query::__construct()](https://developer.wordpress.org/reference/classes/wp_site_query/__construct/)`wp-includes/class-wp-site-query.php` |

Sets up the site query, based on the query vars passed.

  |

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

| Version | Description | 
| [4.6.0](https://developer.wordpress.org/reference/since/4.6.0/) | Introduced. |

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