translate to php

 var today = new Date();
today.setHours(today.getHours() + 1);
today.setMinutes(today.getMinutes() + 30);
var coeff = 1000 * 60 * 5;
var date = "09:07:00";  //or use any other date
var rounded = new Date(Math.round(today.getTime() / coeff) * coeff)
var tid_1hour_from_now = rounded.toLocaleTimeString([], {hour: '2-digit', minute:'2-digit'});
var tid_hour = rounded.getHours();
var tid_minutes = rounded.getMinutes();
var ater = "Åter"
var result1hourfromnow = ater +" "+ tid_1hour_from_now