- exec: documentation ( source)
- date: documentation ( source)
- sleep: documentation ( source)
<?php
for($x = 0; $x< 30; $x++){
unset($aDate);
exec("date", $aDate);
print("date(\"d.m.y H:i:s\") yields: ".date("d.m.y H:i:s")." while 'date' yields $aDate[0].\n");
sleep(1);
}