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  1. <?php
  2. function showResult($input) {
  3.     print json_encode($input, JSON_UNESCAPED_UNICODE);
  4.     exit();
  5. }
  6. function generateField($config) {
  7.     $output = array();
  8.     for ($i = 0; $i < $config['maxRow'] * $config['maxColumn']; $i++) {
  9.         $output[] = $config['colors'][rand(0, count($config['colors']) - 1)];
  10.     }
  11.     return $output;
  12. }
  13. function saveFieldFile($path, $field) {
  14.     file_put_contents($path, json_encode($field));
  15. }
  16. function loadFieldFile($path) {
  17.     $output = json_decode(file_get_contents($path), true);
  18.     return $output;
  19. }
  20. function cellHandler($raw, $config) {
  21.     $cell = explode('-', $raw);
  22.     $output = array(
  23.         'row' => (int) substr($cell[0], 1),
  24.         'column' => (int) substr($cell[1], 1)
  25.     );
  26.     $error = array(
  27.         'status' => 'error'
  28.     );
  29.  
  30.     if ($output['row'] < 1) {
  31.         $error['text'] = 'Значение ряда меньше единицы';
  32.         return $error;
  33.     }
  34.     if ($output['row'] > $config['maxRow']) {
  35.         $error['text'] = 'Значение ряда больше допустимого';
  36.         return $error;
  37.     }
  38.     if ($output['column'] < 1) {
  39.         $error['text'] = 'Значение колонки меньше единицы';
  40.         return $error;
  41.     }
  42.     if ($output['column'] > $config['maxColumn']) {
  43.         $error['text'] = 'Значение колонки больше допустимого';
  44.         return $error;
  45.     }
  46.  
  47.     return $output;
  48. }
  49.  
  50. session_start();
  51.  
  52. $config = array(
  53.     'maxRow' => 8,
  54.     'maxColumn' => 8,
  55.     'colors' => array(
  56.         0 => 'red',
  57.         1 => 'orange',
  58.         2 => 'blue',
  59.         3 => 'yellow',
  60.         4 => 'green',
  61.         5 => 'white',
  62.         6 => 'pink',
  63.         7 => 'purple'
  64.     ),
  65.     'path' => 'sessions/'.session_id()
  66. );
  67. $output = array(
  68.     'status' => 'ok'
  69. );
  70. $error = array(
  71.     'status' => 'error'
  72. );
  73.  
  74. switch ($_POST['f']) {
  75.     case 'cellMovement':
  76.         $cells = $_POST['cells'];
  77.         if (!is_array($cells)) {
  78.             $error['text'] = 'Параметры клеток должны являться массивом';
  79.             showResult($error);
  80.         }
  81.         if (count($cells) > 2) {
  82.             $error['text'] = 'Передано слишком большое количество клеток';
  83.             showResult($error);
  84.         }
  85.         foreach ($cells as $i) {
  86.             $cell = cellHandler($i, $config);
  87.             if (isset($cell['status']) && $cell['status'] == 'ok') {
  88.                 showResult($cell);
  89.             }
  90.             $output['cells'][] = $cell;
  91.         }
  92.  
  93.         if (abs($output['cells'][0]['row'] - $output['cells'][1]['row']) > 1 ||
  94.             abs($output['cells'][0]['column'] - $output['cells'][1]['column']) > 1 ||
  95.             abs($output['cells'][0]['row'] - $output['cells'][1]['row']) - abs($output['cells'][0]['column'] - $output['cells'][1]['column']) == 0) {
  96.             $error['text'] = 'Движение разрешено только между соседними клетками';
  97.             showResult($error);
  98.         }
  99.  
  100.         $cellsIndexes = array(
  101.             0 => ($output['cells'][0]['row'] - 1) * $config['maxColumn'] + $output['cells'][0]['column'] - 1,
  102.             1 => ($output['cells'][1]['row'] - 1) * $config['maxColumn'] + $output['cells'][1]['column'] - 1
  103.         );
  104.         $field = loadFieldFile($config['path']);
  105.         $tempCell = $field[$cellsIndexes[0]];
  106.         $field[$cellsIndexes[0]] = $field[$cellsIndexes[1]];
  107.         $field[$cellsIndexes[1]] = $tempCell;
  108.         unset($tempCell);
  109.         saveFieldFile($config['path'], $field);
  110.  
  111.         showResult($output);
  112.     break;
  113.  
  114.     case 'getField':
  115.         if (!file_exists($config['path'])) {
  116.             $output['field'] = generateField($config);
  117.             saveFieldFile($config['path'], $output['field']);
  118.         } else {
  119.             $output['field'] = loadFieldFile($config['path']);
  120.         }
  121.  
  122.         showResult($output);
  123.     break;
  124. }
  125.  
  126. ?>
  127.  
Success #stdin #stdout #stderr 0s 52488KB
comments ()
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
PHP Warning:  session_start(): open(/var/lib/php5/sessions/sess_8i1irlic5mkn3p73ajc1r32m36, O_RDWR) failed: No such file or directory (2) in /home/lTKxSD/prog.php on line 50
PHP Notice:  Undefined index: f in /home/lTKxSD/prog.php on line 74
PHP Warning:  Unknown: open(/var/lib/php5/sessions/sess_8i1irlic5mkn3p73ajc1r32m36, O_RDWR) failed: No such file or directory (2) in Unknown on line 0
PHP Warning:  Unknown: Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/var/lib/php5/sessions) in Unknown on line 0
https://ideone.com/ExUqIV
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
secret

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