script that calculates the current age up to the last day.. grammar correct.
By : voldomazta
<?
function curage($gm,$gd,$gy){
/**
* Current Age Script
* Coded by Ramon Alivio Jr. (2005-06-12)
* Iloilo City, Philippines
* http://www.thermokarst.co.nr
*
* Usage: -- echo curage(m,d,y); --
* Where 'm' is birth month, 'd' is birth day
* and 'y' is birth year
**/
$r = '';
/**
* days of each month
**/
for($x=1 ; $x<=12 ; $x++){
$dim[$x] = date('t',mktime(0,0,0,$x,1,date('Y')));
}
/**
* vars for current date
**/
$cm = date('n');
$cd = date('j');
$cy = date('Y');
/**
* calculate differences
**/
$m = $cm - $gm;
$d = $cd - $gd;
$y = $cy - $gy;
/**
* if the given day is ahead of the current day
**/
if($d < 0) {
$td = $cd + $dim[$cm];
$tm = $cm - 1;
$d = $td - $gd;
$m = $tm - $gm;
if(($tm - $gm) < 0) {
$tm += 12;
$ty = $cy - 1;
$m = $tm - $gm;
$y = $ty - $gy;
}
}
/**
* if the given month is ahead of the current month
**/
if($m < 0) {
$tm = $cm + 12;
$ty = $cy - 1;
$m = $tm - $gm;
$y = $ty - $gy;
}
/**
* the processing area
**/
if($y < 0) {
die("That date is in the future.");
} else {
switch($y) {
case 0 : $r .= ''; break;
case 1 : $r .= $y.($m == 0 && $d == 0 ? ' year old' : ' year'); break;
default : $r .= $y.($m == 0 && $d == 0 ? ' years old' : ' years');
}
switch($m) {
case 0: $r .= ''; break;
case 1: $r .= ($y == 0 && $d == 0 ? $m.' month old' : ($y == 0 && $d != 0 ? $m.' month' : ($y != 0 && $d == 0 ? ' and '.$m.' month old' : ', '.$m.' month'))); break;
default: $r .= ($y == 0 && $d == 0 ? $m.' months old' : ($y == 0 && $d != 0 ? $m.' months' : ($y != 0 && $d == 0 ? ' and '.$m.' months old' : ', '.$m.' months'))); break;
}
switch($d) {
case 0: $r .= ($m == 0 && $y == 0 ? 'Today' : ''); break;
case 1: $r .= ($m == 0 && $y == 0 ? $d.' day old' : ($y != 0 || $m != 0 ? ' and '.$d.' day old' : '')); break;
default: $r .= ($m == 0 && $y == 0 ? $d.' days old' : ($y != 0 || $m != 0 ? ' and '.$d.' days old' : ''));
}
}
return $r;
}
?>
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