WP_Network::get_instance( int $network_id ): WP_Network|false

Retrieves a network from the database by its ID.


Parameters

$network_id int Required
The ID of the network to retrieve.

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Return

WP_Network|false The network's object if found. False if not.


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Source

File: wp-includes/class-wp-network.php. View all references

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

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

	$_network = wp_cache_get( $network_id, 'networks' );

	if ( false === $_network ) {
		$_network = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->site} WHERE id = %d LIMIT 1", $network_id ) );

		if ( empty( $_network ) || is_wp_error( $_network ) ) {
			$_network = -1;
		}

		wp_cache_add( $network_id, $_network, 'networks' );
	}

	if ( is_numeric( $_network ) ) {
		return false;
	}

	return new WP_Network( $_network );
}


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Changelog

Changelog
Version Description
4.4.0 Introduced.

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