Frage zu ffmpeg und jquery

Kann einer hier meine Fragen "Make $_POST contain the same variables 
using jquery as if the page was reloaded" und "Reverse and areverse 
crash the computer" bei stackoverflow beantworten?

https://stackoverflow.com/questions/57495932/reverse-and-areverse-crash-the-computer
https://stackoverflow.com/questions/57499047/make-post-contain-the-same-variables-using-jquery-as-if-the-page-was-reloaded