get_sites( string|array $args = array() )

Retrieves a list of sites matching requested arguments.

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Description Description

See also See also

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Parameters Parameters

$args

(string|array) (Optional) Array or string of arguments. See WP_Site_Query::__construct() for information on accepted arguments.

Default value: array()

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Return Return

(array|int) List of 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.

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Source Source

File: wp-includes/ms-site.php 

function get_sites( $args = array() ) {
	$query = new WP_Site_Query();

	return $query->query( $args );
}

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Used By Used By

Used By
Used By Description
wp-includes/embed.php: get_oembed_response_data_for_url()

Retrieves the oEmbed response data for a given URL.
wp-includes/class-wp-network.php: WP_Network::get_main_site_id()

Returns the main site ID for the network.
wp-admin/includes/class-wp-ms-sites-list-table.php: WP_MS_Sites_List_Table::prepare_items()

Prepares the list of sites for display.
wp-admin/includes/class-wp-importer.php: WP_Importer::set_blog()
wp-includes/user.php: get_blogs_of_user()

Get the sites a user belongs to.
wp-includes/ms-deprecated.php: wp_get_sites()

Return an array of sites for a network or networks.
wp-includes/ms-functions.php: wp_update_network_site_counts()

Update the network-wide site count.
wp-includes/ms-functions.php: domain_exists()

Checks whether a site name is already taken.
wp-includes/ms-functions.php: get_blog_id_from_url()

Get a blog’s numeric ID from its URL.
wp-includes/ms-load.php: get_site_by_path()

Retrieves the closest matching site object by its domain and path.
wp-includes/ms-blogs.php: get_id_from_blogname()

Retrieves a sites ID given its (subdomain or directory) slug.
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Changelog Changelog

Changelog
Version Description
4.8.0 Introduced the 'lang_id', 'lang__in', and 'lang__not_in' parameters.
4.6.0 Introduced.

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User Contributed Notes User Contributed Notes

  1. Skip to note 1 content
    You must log in to vote on the helpfulness of this noteVote results for this note: 8You must log in to vote on the helpfulness of this note
    Contributed by Store Locator Plus —

    Also good to know… get_sites now returns an OBJECT not a named array.

    A code example that may help:

    // WordPress 4.6
//
if ( function_exists( 'get_sites' ) && class_exists( 'WP_Site_Query' ) ) {
	$sites = get_sites();
	foreach ( $sites as $site ) {
		switch_to_blog( $site->blog_id );
                // do something
		restore_current_blog();
	}
	return;
}

// WordPress < 4.6
//
if ( function_exists( 'wp_get_sites' ) ) {
	$sites = wp_get_sites();
	foreach ( $sites as $site ) {
		switch_to_blog( $site['blog_id'] );
                // do something
		restore_current_blog();
	}
	return;
}

    Expand full source codeCollapse full source code

  2. Skip to note 2 content
    You must log in to vote on the helpfulness of this noteVote results for this note: 5You must log in to vote on the helpfulness of this note
    Contributed by mkormendy —

    Beware, using get_sites() as a drop-in for wp_get_sites() may not produce results as expected.

    PHP Fatal error: Cannot use object of type WP_Site as array in /path/to/code/that/uses/get_sites/method/file.php

    It’s true that get_sites() returns an array, however, it produces an array of sites as objects. This is different from wp_get_sites(), which used to produce a multidimensional array of the sites, with their properties in a secondary array dimension (simply an array of site arrays with that site’s properties).

    If you’re attempting to loop through the sites to get the properties of each site with get_sites(), you’ll need to convert each site object to an array using get_object_vars( object ) http://www.php.net/manual/en/function.get-object-vars.php.

    See the example below noting the use of get_object_vars on line three:

    $subsites = get_sites();
foreach( $subsites as $subsite ) {
  $subsite_id = get_object_vars($subsite)["blog_id"];
  $subsite_name = get_blog_details($subsite_id)->blogname;
  echo 'Site ID/Name: ' . $subsite_id . ' / ' . $subsite_name . '\n';
}

    This should return the following list of sites:

    Site ID/Name: 1 / SiteNameOne
    Site ID/Name: 2 / SiteNameTwo
    Site ID/Name: 3 / SiteNameThree

  3. Skip to note 3 content
    You must log in to vote on the helpfulness of this noteVote results for this note: 1You must log in to vote on the helpfulness of this note
    Contributed by Store Locator Plus —

    wp_get_sites() ‘limit’ argument is now ‘number’.

    wp_get_sites() converted this to $args[‘number’] for you, get_sites() does not appear to handle this parameter name conversion for you.

    Reference: https://developer.wordpress.org/reference/functions/wp_get_sites/

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