Follow along with the video below to see how to install our site as a web app on your home screen.
Anmerkung: This feature currently requires accessing the site using the built-in Safari browser.
$zeitstempel = time();
if( time()-$timestamp >= 7200 )
dowhatyouwant();
$hours = 2;
mysql_query("SELECT * FROM $table WHERE ( UNIX_TIMESTAMP( ) - timestamp ) < 3600*$hours");