Calculate age from given birthdate
How to Calculate Age from Date of Birth in PHP
<?php
$dateOfBirth = "21-12-1983";
$today = date("Y-m-d");
$diff = date_diff(date_create($dateOfBirth), date_create($today));
echo 'Age is '.$diff->format('%y');
?>
VB6 Code
Function Age (varBirthDate As Variant) As Integer
Dim varAge As Variant
If IsNull(varBirthdate) then Age = 0: Exit Function
varAge = DateDiff("yyyy", varBirthDate, Now)
If Date < DateSerial(Year(Now), Month(varBirthDate), _
Day(varBirthDate)) Then
varAge = varAge - 1
End If
Age = CInt(varAge)
End Function