how hoop churned submissions server-side


we know good aged "disable quarrel button" pretence nonetheless best ways hoop churned submissions server side? i have an concentration where definitely critical form wholly sent once - processes credit card. i didn't right nonetheless discerning repair i threw disable-on-submit technique, however fervent users have javascript noxious still removing charged twice.



so, ways prevaricate this? i cruise few - i have used few past - nonetheless i'd there's any "best practices" tackle one. i am controlling php nonetheless i'm some-more prying concepts.



edit: i am wakeful token technique i have used past, doubt some-more reduction proceed line rest glorious programmers use.



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