oliveiraev/script.php

## script.php
<!DOCTYPE HTML>
<html lang="pt-Br">
<head>
    <meta charset="UTF-8">
    <title></title>
    <style>
        table {
            border: none;
        }

        td {
            padding: 7px;
            text-align: center;
        }

        .highlight {
            background: #000;
            color: #f00;
        }
    </style>
</head>
<body>
    <table><?php

    foreach (range(0, 80) as $n) {
        $c          = $n % 9;
        $l          = floor($n / 9);
        $css        = null;
        $line_begin = null;
        $line_end   = null;
        $cell_value = '-';

        if (!$c)                        $line_begin = "\n\t\t<tr>";
        if ($c == $l or $c + $l == 8)   $css        = 'class="highlight"';
        if ($c == 4  or $l == 4)        $cell_value = '+';
        if ($c == 8)                    $line_end   = "\n\t\t</tr>";

        $cell       = "\n\t\t\t<td {$css}>{$cell_value}</td>";

        echo $line_begin, $cell, $line_end;

    }

    ?>

    </table>
</body>
</html>
	<!DOCTYPE HTML>
	<html lang="pt-Br">
	<head>
	<meta charset="UTF-8">
	<title></title>
	<style>
	table {
	border: none;
	}

	td {
	padding: 7px;
	text-align: center;
	}

	.highlight {
	background: #000;
	color: #f00;
	}
	</style>
	</head>
	<body>
	<table><?php

	foreach (range(0, 80) as $n) {
	$c = $n % 9;
	$l = floor($n / 9);
	$css = null;
	$line_begin = null;
	$line_end = null;
	$cell_value = '-';

	if (!$c) $line_begin = "\n\t\t<tr>";
	if ($c == $l or $c + $l == 8) $css = 'class="highlight"';
	if ($c == 4 or $l == 4) $cell_value = '+';
	if ($c == 8) $line_end = "\n\t\t</tr>";

	$cell = "\n\t\t\t<td {$css}>{$cell_value}</td>";

	echo $line_begin, $cell, $line_end;

	}

	?>

	</table>
	</body>
	</html>