<?php







function calc_names($name1, $name2) {







    $num1 = 0;







    $num2 = 0;















    $base = array("0" => 0, "1" => 1, "2" => 2, "3" => 3, "4" => 4, "5" => 5, "6" => 6, "7" => 7, "8" => 8, "9" => 9, "a" => 10, "b" => 11, "c" => 12, "d" => 13, "e" => 14, "f" => 15);















    $md1 = md5($name1);







    $md2 = md5($name2);















    for($i = 0; $i < 32; $i++) {







        $value = $base[substr($md1, $i, 1)];







        $num1 += $value;







    }















    for($j = 0; $j < 32; $j++) {







        $value = $base[substr($md2, $j, 1)];







        $num2 += $value;







    }















    return 100 - round(abs(ceil($num1 / 3.1) - ceil($num2 / 3.1)) * 3);







}



if($_POST['ot'] == NULL AND $_POST['do'] == NULL){

$ot = 'Саша';

$do = 'Маша';

}else{

$ot = htmlspecialchars($_POST['ot']);

$do = htmlspecialchars($_POST['do']);

}

if(isset($_POST['submit'])){



$result = 'Результат: <b>'.$ot.' + '.$do.' = '.calc_names($_POST['ot'], $_POST['do']).'%</b><hr />';

}



echo '<div class="new"><form method="post">'.$result.'

Ваше имя:<br />

<input type="text" name="ot" value="'.$ot.'" /><br />

Имя вашей половинки:<br />

<input type="text" name="do" value="'.$do.'" /><br />

<input type="submit" name="submit" value="Получить" /> <input type="submit" name="refresh" value="Обновить" /></form></div>';

?>