Sometimes, project office personnel report dotted (i.e., indirectly) to the project manager and remain a solid line reportee to their functional manager. Can this work effectively if it were reversed...

Sometimes, project office personnel report dotted (i.e., indirectly)

to the project manager and remain a solid line reportee to their functional manager. Can this work effectively if it were reversed and the personnel are solid to the project manager and dotted to their functional manager?