Server site refresh

[php-baby]

🆒
My site written in php and caches some parts of the site for fast loading.
I want to refresh this site at the server so that when people click, page can be opened quickly since it already has been refreshed by the server.

Any thought greatly appreciated for how to refresh a php site at hosting server.

Thanks

[Jack_McSlay]

$time = $timestamp_of_when_the_page_was_last_updated;

$date = gmdate( 'D, d M Y H:i:s',$date);
if ($date == @$_SERVER['HTTP_IF_MODIFIED_SINCE']){
   header('HTTP/1.1 304 Not Modified',304);
   die;
}

header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s',$date) . ' GMT' );

// the rest of your page's code

this should work. To make it foolproff you need more stuff, but this will get you along the lines. for more info: http://www.php.net/header

[php-baby]

Thank you for the info. I should have given more detail.

Is it possible to refresh the site from server lets say every 5 minutes? Refresh should be done automatically even nobody clicks the website.

Thank you very much

[Jack_McSlay]

you mean, the site attempt to refresh itself from time to time on the client? then you need some javascript, something along the lines of

<script language="Javascript">
window.setTimeout(function() {
    window.location.reload();
}, 360000);
</script>