php calculate age

php calculate age

// to calculate age
            $interval = date_diff(date_create(), date_create('2008-01-01 10:30:00'));
            echo $interval->format("You are  %Y Year, %M Months, %d Days, %H Hours, %i Minutes, %s Seconds Old");

            About Date

            /*  $startYear=strtotime(date("Y-04-1"));
        $startYear = date('Y-m-d', $startYear);
        // echo "startyear : ". $startYear;
        // $startYear = DateTime::createFromFormat('Y-m-d', $startYear);

        // echo $testdate = date('Y-m-d' , strtotime('1 year ago'));die;

        //to convert from a string to DateTime back to string to change the format
        // $startYear = $startYear->format('Y-m-d');
        // die;
        echo $vardate = $startYear;
        $added = "-1 year";
        $data = explode("-", $vardate);
        // echo "<pre>";
        // print_r($data);
        // echo "</pre>";
        // die;
        $date = new DateTime();
        $date->setDate($data[0], $data[1], $data[2]);
        $date->modify("".$added."");
        $day= $date->format("Y-m-d");
        // echo $day;die;*/