#!/opt/local/bin/php71
<?php

const URL = 'http://capscii.insomni.hack/start';
const DIGITS = [
  '******   ******' => 0,
  '*   ******    *' => 1,
  '* **** * **** *' => 2,
  '* * ** * ******' => 3,
  '***    *  *****' => 4,
  '*** ** * ** ***' => 5,
  '****** * ** ***' => 6,
  '*    *    *****' => 7,
  '****** * ******' => 8,
  '*** ** * ******' => 9,
  '  *  '           => '*',
  '  *   ***   *  ' => '+',
  '  *    *    *  ' => '-',
];

function get_digit($text) {
  $text = preg_replace('%[A-Z]%', '*', $text);
  return DIGITS[$text];
}

function calculate($text) {
  $digits = [];
  $buffer = '';

  $lines = array_slice(explode("\n", $text), 4, 5);
  $column = 0;
  $max = strlen($lines[0]);

  while (TRUE) {
    if ($column >= $max) break;

    $column_chars =
      substr($lines[0], $column, 1) .
      substr($lines[1], $column, 1) .
      substr($lines[2], $column, 1) .
      substr($lines[3], $column, 1) .
      substr($lines[4], $column, 1);

    if ($column_chars == '     ') {
      if (!empty($buffer)) $digits[] = get_digit($buffer);
      $buffer = '';
    } else {
      $buffer .= $column_chars;
    }

    ++$column;
  }

  return $digits;
}

$ch = curl_init(URL);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_COOKIEFILE, '');
curl_setopt($ch, CURLOPT_POST, TRUE);

foreach (range(1, 52) as $i) {
  $html = curl_exec($ch);
  $html = str_replace('<br>', "\n", $html);
  $text = strip_tags($html);
  echo $text;

  $digits = calculate($text);
  $code = '$result = ' . implode('', $digits) . ';';
  eval($code);

  curl_setopt($ch, CURLOPT_POSTFIELDS, 'sol=' . $result);
}