WP_Site::get_instance( int $site_id )

Retrieves a site from the database by its ID.


Description Description


Parameters Parameters

$site_id

(int) (Required) The ID of the site to retrieve.


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Return Return

(WP_Site|false) The site's object if found. False if not.


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Source Source

File: wp-includes/class-wp-site.php

	public static function get_instance( $site_id ) {
		global $wpdb;

		$site_id = (int) $site_id;
		if ( ! $site_id ) {
			return false;
		}

		$_site = wp_cache_get( $site_id, 'sites' );

		if ( ! $_site ) {
			$_site = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->blogs} WHERE blog_id = %d LIMIT 1", $site_id ) );

			if ( empty( $_site ) || is_wp_error( $_site ) ) {
				return false;
			}

			wp_cache_add( $site_id, $_site, 'sites' );
		}

		return new WP_Site( $_site );
	}

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Changelog Changelog

Changelog
Version Description
4.5.0 Introduced.


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