How to Calculating a person’s age from their date of birth using PHP

<?php
//An example date of birth.
$userDob = '1987-04-02';

//Create a DateTime object using the user's date of birth.
$dob = new DateTime($userDob);

//We need to compare the user's date of birth with today's date.
$now = new DateTime();

//Calculate the time difference between the two dates.
$difference = $now->diff($dob);

//Get the difference in years, as we are looking for the user's age.
$age = $difference->y;

//Print it out.
echo $age;

 

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