47.— On an application to the court for a maintenance order, the court, before deciding whether to make or refuse to make the order, may make an order for the payment to the applicant by the maintenance debtor, for a definite period specified in the order or until the application is adjudicated upon by the court, of a periodical sum that, in the opinion of the court, is proper, if it appears to the court proper to do so having regard to F13[the needs of the persons for whose support the maintenance order is sought and the other circumstances] of the case.