My  Shaikh Dr. Abdul Hayy (Allah have mercy on him) instructed to  keep the salutations in front of the Prophet (peace and blessings of  Allah be upon him) concise and this is what I have found to be the  recommendation of most of the scholars.
Mufti Muhammed Taqi Usmani (DB)
Source : Ashrafia
Mufti Muhammed Taqi Usmani (DB)
Source : Ashrafia
