<?
function year_from_date($date)
{
$now = time();
$then = strtotime($date);
$month = date('m', $now) - date('m', $then);
$day = date('d', $now) - date('d', $then);
if ($month >= 1){
    $diff = date('Y', $now) - date('Y', $then);
    } elseif ($month <= 0) {
            if ($day >= 0){
                $diff = date('Y', $now) - date('Y', $then);
                } else {
                    $today = date('Y', $now);
                    $today--;
                    $diff = $today - date('Y', $then);
                }
            } else {
                $today = date('Y', $now);
                $today--;
                $diff = $today - date('Y', $then);
        }
return $diff;
}

//use it like this

$age = year_from_date("1980-10-24");

echo $age;
?> <?
function years_between($fyear, $fmonth, $fday, $tyear, $tmonth, $tday)
{
  return abs((mktime ( 0, 0, 0, $fmonth, $fday, $fyear) - mktime ( 0, 0, 0, $tmonth, $tday, $tyear))/(60*60*24*365));
}

echo years_between("1982","10","20",date("Y", time()),date("m",time()),date("d", time()));
?> a birthday to age php script - TranceAddict Forums - Technology & Gadget Zone
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a birthday to age php script
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Boomer187
I am finishing up this questionnaire for a research project we have going and I wanted to get peoples age by their birthday. I didn't find any working scripts using google but ended up solving the problem. And this seemed very easy to do in my mind, but I couldn't get it to work for a while. So I modified some existing script that didn't quite work. It had a problem with people who have not had their birthday yet, it counted them as a year older.


I didn't even think to ask help here when I was stumped. So instead I will post up the ugly, non noted, horribly written code I ended up with. Modify it if you want.

PHP:



these php colors suck :-/
alefort
Hmmm...gotta say, that is one NASTY looking function. I wrote a function like this ages ago, and it was simply one line. Here it is:

PHP:


This Outputs: 24.27 Years old for me.
Boomer187
thanks, I specialize in nasty scripts :p

I knew there are probably a million easier, nicer, more handy ones out there. But for some reason I can never think of one of them.


One of my attempts used something similar with mktime, but somehow it said i was 37 years old no matter what day I was born on. Obviously I messed up something besides the formulas.
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