Código Javascript:
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function calcage(secs, num1, num2) { s = ((Math.floor(secs/num1))%num2).toString(); if (LeadingZero && s.length < 2) s = "0" + s; return s; } function CountBack(secs) { if (secs < 0) { document.getElementById("cntdwn").innerHTML = FinishMessage; return; } DisplayStr = DisplayFormat.replace(/%%W%%/g, calcage(secs,86400000,7)); DisplayStr = DisplayStr.replace(/%%D%%/g, calcage(secs,86400,100000)); DisplayStr = DisplayStr.replace(/%%H%%/g, calcage(secs,3600,24)); DisplayStr = DisplayStr.replace(/%%M%%/g, calcage(secs,60,60)); DisplayStr = DisplayStr.replace(/%%S%%/g, calcage(secs,1,60)); document.getElementById("cntdwn").innerHTML = DisplayStr; if (CountActive) setTimeout("CountBack(" + (secs+CountStepper) + ")", SetTimeOutPeriod); } function putspan(backcolor, forecolor) { document.write("<span id='cntdwn'></span>"); } if (typeof(BackColor)=="undefined") BackColor = "white"; if (typeof(ForeColor)=="undefined") ForeColor= "#2A8827"; if (typeof(TargetDate)=="undefined") TargetDate = "12-31-2020 5:00 AM"; if (typeof(DisplayFormat)=="undefined") DisplayFormat = "%%W%%w %%D%%d %%H%%h %%M%%m %%S%%s."; if (typeof(CountActive)=="undefined") CountActive = true; if (typeof(FinishMessage)=="undefined") FinishMessage = "no data"; if (typeof(CountStepper)!="number") CountStepper = +1; if (typeof(LeadingZero)=="undefined") LeadingZero = true; CountStepper = Math.ceil(CountStepper); if (CountStepper == 0) CountActive = false; var SetTimeOutPeriod = (Math.abs(CountStepper)-1)*1000 + 1000; putspan(BackColor, ForeColor); var dthen = new Date(TargetDate); var dnow = new Date(); if(CountStepper>0) ddiff = new Date(dnow-dthen); else ddiff = new Date(dthen-dnow); gsecs = Math.floor(ddiff.valueOf()/1000); CountBack(gsecs);
codigo que muestra el tiempo
Código PHP:
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<html> <head> </head> <body> <?php $date = new DateTime('2012-10-17 03:14:15'); $start = $date->format('Y/m/d h:i:s'); ?> <br> Fecha:<script type="text/javascript" language="JavaScript"> TargetDate = "<?php echo $start; ?>"; CountActive = true; </script> <script type="text/javascript" language="JavaScript" src="js/time.js"></script> </body> </html>