Jak zrobić skrpyt w php, który będzie działał tak samo
<!--
var montharray=new Array('Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec')
function countup(yr,m,d){
var today=new Date()
var todayy=today.getYear()
var todaym=today.getMonth()
var todayd=today.getDate()
var todaystring=montharray[todaym]+' '+todayd+', '+todayy
var paststring=montharray[m-1]+' '+d+', '+yr
var difference=(Math.round((Date.parse(todaystring)-Date.parse(paststring))/(24*60*60*1000))*1)
difference+=' dni'
document.write('<b>Witryna Htcentrum.yoyo.pl istnieje od 01.01.2007, czyli '+difference+'!</b>')
}
//enter the count up date using the format year/month/day
countup(2007,01,01)
//-->