dmitriy-sqrt/var.php

## var.php
<?php
$birth_date = htmlentities($_GET['birth_date']);

if (preg_match("/([0-9]{2})\.([0-9]{2})\.([0-9]{4})/", $birth_date) === 0)
    $error = 'Неправильный формат даты.';

#$birth_date = '21.04.1991';
$date = [];

list($date['day'], $date['month'], $date['year']) = explode('.', $birth_date);

$date['date'] = $date['day'].$date['month'];

function magic($number)
{
    $number = intval($number);
    $rows = [];
    while($number > 9)
    {
        if ($number > 100)
        {
            $p1 = floor($number/100);
            $p2 = floor($number%100);
        }
        else
        {
            $p1 = floor($number/10);
            $p2 = floor($number%10);
        }

        $number = $p1+$p2;
        $rows[] = "$p1 + $p2";
        $rows[] = strval($number);
    }

    return $rows;
}

$date_rows = magic($date['date']);
$year_rows = magic($date['year']);

$rows_count = max(count($year_rows), count($date_rows));

$step = end($date_rows) + end($year_rows);
$mission = array_sum(str_split($step));
?>
<html>
    <head>
        <meta charset=utf-8>
        <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" integrity="sha384-1q8mTJOASx8j1Au+a5WDVnPi2lkFfwwEAa8hDDdjZlpLegxhjVME1fgjWPGmkzs7" crossorigin="anonymous">
        <style type="text/css">
            tr td{
              text-align: center;
            }
            tr td:first-of-type:before{
              content: "-";
            }
            tr:nth-child(4n+1) td:first-of-type:before,tr:nth-child(4n+2) td:first-of-type:before{
              content: "+";
            }
        </style>
    </head>
    <body>
        <form class="form-inline">
          <div class="form-group">
            <label for="exampleInputName2">Дата рождения</label>
            <input type="text" class="form-control" name='birth_date' placeholder="27.12.1976" value="<?php echo $birth_date; ?>">
          </div>
          <button type="submit" class="btn btn-default">Рассчитать</button>
        </form>
        <?php if (isset($error)) { ?>
            <?php echo $error; ?>
        <?php } else { ?>
            <table class="table table-bordered table-striped">
                <tr>
                    <td></td>
                    <td><?php echo $date['day'].'.'.$date['month'];?></td>
                    <td><?php echo $date['year'];?></td>
                </tr>
                <?php
                    for($i=0; $i<$rows_count; $i++)
                    {
                        $v1 = (isset($date_rows[$i])) ? $date_rows[$i] : end($date_rows);
                        $v2 = (isset($year_rows[$i])) ? $year_rows[$i] : end($year_rows);

                        echo "
                            <tr>
                                <td></td>
                                <td>$v1</td>
                                <td>$v2</td>
                            </tr>";
                    }
                ?>
                <tr>
                    <td></td>
                    <td colspan="2"><?php echo $v1+$v2; ?></td>
                </tr>
            </table>
            <div class="well">
                Дата:
                <i><?php echo $birth_date; ?></i>
                Миссия:
                <b><?php echo $mission; ?></b>
                Ступень:
                <b><?php echo $step; ?></b>
            </div>
        <?php } ?>
    </body>
</html>
	<?php
	$birth_date = htmlentities($_GET['birth_date']);

	if (preg_match("/([0-9]{2})\.([0-9]{2})\.([0-9]{4})/", $birth_date) === 0)
	$error = 'Неправильный формат даты.';

	#$birth_date = '21.04.1991';
	$date = [];

	list($date['day'], $date['month'], $date['year']) = explode('.', $birth_date);

	$date['date'] = $date['day'].$date['month'];

	function magic($number)
	{
	$number = intval($number);
	$rows = [];
	while($number > 9)
	{
	if ($number > 100)
	{
	$p1 = floor($number/100);
	$p2 = floor($number%100);
	}
	else
	{
	$p1 = floor($number/10);
	$p2 = floor($number%10);
	}

	$number = $p1+$p2;
	$rows[] = "$p1 + $p2";
	$rows[] = strval($number);
	}

	return $rows;
	}

	$date_rows = magic($date['date']);
	$year_rows = magic($date['year']);

	$rows_count = max(count($year_rows), count($date_rows));

	$step = end($date_rows) + end($year_rows);
	$mission = array_sum(str_split($step));
	?>
	<html>
	<head>
	<meta charset=utf-8>
	<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" integrity="sha384-1q8mTJOASx8j1Au+a5WDVnPi2lkFfwwEAa8hDDdjZlpLegxhjVME1fgjWPGmkzs7" crossorigin="anonymous">
	<style type="text/css">
	tr td{
	text-align: center;
	}
	tr td:first-of-type:before{
	content: "-";
	}
	tr:nth-child(4n+1) td:first-of-type:before,tr:nth-child(4n+2) td:first-of-type:before{
	content: "+";
	}
	</style>
	</head>
	<body>
	<form class="form-inline">
	<div class="form-group">
	<label for="exampleInputName2">Дата рождения</label>
	<input type="text" class="form-control" name='birth_date' placeholder="27.12.1976" value="<?php echo $birth_date; ?>">
	</div>
	<button type="submit" class="btn btn-default">Рассчитать</button>
	</form>
	<?php if (isset($error)) { ?>
	<?php echo $error; ?>
	<?php } else { ?>
	<table class="table table-bordered table-striped">
	<tr>
	<td></td>
	<td><?php echo $date['day'].'.'.$date['month'];?></td>
	<td><?php echo $date['year'];?></td>
	</tr>
	<?php
	for($i=0; $i<$rows_count; $i++)
	{
	$v1 = (isset($date_rows[$i])) ? $date_rows[$i] : end($date_rows);
	$v2 = (isset($year_rows[$i])) ? $year_rows[$i] : end($year_rows);

	echo "
	<tr>
	<td></td>
	<td>$v1</td>
	<td>$v2</td>
	</tr>";
	}
	?>
	<tr>
	<td></td>
	<td colspan="2"><?php echo $v1+$v2; ?></td>
	</tr>
	</table>
	<div class="well">
	Дата:
	<i><?php echo $birth_date; ?></i>
	Миссия:
	<b><?php echo $mission; ?></b>
	Ступень:
	<b><?php echo $step; ?></b>
	</div>
	<?php } ?>
	</body>
	</html>