get_main_network_id

get_main_network_id

Appears in: wordpress-4.4, wordpress-4.8, wordpress-4.9, wordpress-4.9.4, wordpress-4.9.5, wordpress-4.9.6, wordpress-4.9.7, wordpress-4.9.8, wordpress-5.0, wordpress-5.0.1, wordpress-5.0.2, wordpress-5.0.3, wordpress-5.1, wordpress-5.1.1, wordpress-5.2, wordpress-5.2.1, wordpress-5.2.2, wordpress-5.2.3, wordpress-5.2.4, wordpress-5.3, wordpress-5.3.1, wordpress-5.3.2, wordpress-5.4, wordpress-5.4.1, wordpress-5.4.2, wordpress-5.5, wordpress-5.5.1, wordpress-5.5.2, wordpress-5.5.3, wordpress-5.6, wordpress-5.6.1, wordpress-5.6.2, wordpress-5.7, wordpress-5.7.1, wordpress-5.7.2, wordpress-5.8, wordpress-5.8.1, wordpress-5.8.2, wordpress-5.8.3, wordpress-5.9, wordpress-5.9.1, wordpress-5.9.2, wordpress-5.9.3, wordpress-6.0, wordpress-6.0.1, wordpress-6.0.2, wordpress-6.0.3, wordpress-6.1, wordpress-6.1.1, wordpress-6.2, wordpress-6.2.1, wordpress-6.2.2, wordpress-6.3, wordpress-6.3.1, wordpress-6.3.2, wordpress-6.4, wordpress-6.4.1, wordpress-6.4.2, wordpress-6.4.3, wordpress-6.5, wordpress-6.5.2, wordpress-6.5.3, wordpress-6.5.4, wordpress-6.5.5, wordpress-6.6, wordpress-6.6.1, wordpress-6.6.2, wordpress-6.7, wordpress-6.7.1, wordpress-6.7.2, wordpress-6.8

Hook Type: filter

See hook in core

Displaying hooks found in version: wordpress-6.8

apply_filters('get_main_network_id') is found 1 times:

/wp-includes/functions.php line 6494

     * @since 4.3.0
     *
     * @param int $main_network_id The ID of the main network.
     */
    return (int) apply_filters( 'get_main_network_id', $main_network_id );
}
 
/**
 * Determines whether site meta is enabled.
 *
 * This function checks whether the 'blogmeta' database table exists. The result is saved as