How do I cacluate days old in php? 1

[linuxMaestro]

How do I cacluate days old in php?

I tried:
$born="2005-02-16";
$today=date("Y-m-d);
$diff=$today-$born;

But it gives 0 all the time.

 

[jpadie]

$born=strtotime("2005-02-16");
$today=strtotime("now");
$diff=$today-$born; //seconds
$numdays = $diff/(60*60*24);

echo "$numdays days difference";