function go($board, $colour, $cpu)
{
$col = 0;
showBoard($board);
$cols = cols($board);
if ($cpu == 0) {
while (!in_array($col, $cols)) {
$msg = 'player ' . $colour . ' - please choose a column (' . implode(',', $cols) . '): ';
$col = readline($msg);
}
} else {
sleep(0.5);
print 'cpu thinking... ' . "\n";
$col = $cols[array_rand($cols, 1)];
}
sleep(1);
array_push($board[$col], $colour);
if (check($board, $col)) {
win($board, $colour);
sleep(1);
return 1;
} else {
return $board;
}
}
/**
* Save entity
*
* @param array $item
*
* @return bool
*/
function flat_save(array &$item) : bool
{
$attrs = $item['_entity']['attr'];
$cols = cols($attrs, $item);
$stmt = prep('UPDATE %s SET %s WHERE %s = :_id', $item['_entity']['tab'], implode(', ', array_column($cols, 'set')), $attrs['id']['col']);
foreach ($cols as $uid => $col) {
$stmt->bindValue($col['param'], $col['val'], $col['type']);
}
$stmt->bindValue(':_id', $item['_old']['id'], db_type($attrs['id'], $item['_old']['id']));
$stmt->execute();
return true;
}
function validCols($board)
{
$all_values = [1, 2, 3, 4, 5, 6, 7, 8, 9];
$cols = cols($board);
foreach ($cols as $row) {
sort($row);
if ($row != $all_values) {
return false;
}
}
return true;
}
public function test_cols()
{
$this->assertEquals([[0, 4, 5, 6, 7, 8], [0, 3, 6, 9], [0, 8], [0, 1, 4, 8], [0, 1, 2, 6, 7, 8, 9], [0, 3, 5, 9], [0, 2], [0, 6, 7, 8], [0, 1, 3, 5, 6, 9]], cols([[5, 3, 0, 0, 7, 0, 0, 0, 0], [6, 0, 0, 1, 9, 5, 0, 0, 0], [0, 9, 8, 0, 0, 0, 0, 6, 0], [8, 0, 0, 0, 6, 0, 0, 0, 3], [4, 0, 0, 8, 0, 3, 0, 0, 1], [7, 0, 0, 0, 2, 0, 0, 0, 6], [0, 6, 0, 0, 0, 0, 2, 8, 0], [0, 0, 0, 4, 1, 9, 0, 0, 5], [0, 0, 0, 0, 8, 0, 0, 7, 9]]));
$this->assertEquals([[1, 2, 3, 4, 5, 6, 7, 8, 9], [1, 2, 3, 4, 5, 6, 7, 8, 9], [1, 2, 3, 4, 5, 6, 7, 8, 9], [1, 2, 3, 4, 5, 6, 7, 8, 9], [1, 2, 3, 4, 5, 6, 7, 8, 9], [1, 2, 3, 4, 5, 6, 7, 8, 9], [1, 2, 3, 4, 5, 6, 7, 8, 9], [1, 2, 3, 4, 5, 6, 7, 8, 9], [1, 2, 3, 4, 5, 6, 7, 8, 9]], cols([[5, 3, 4, 6, 7, 8, 9, 1, 2], [6, 7, 2, 1, 9, 5, 3, 4, 8], [1, 9, 8, 3, 4, 2, 5, 6, 7], [8, 5, 9, 7, 6, 1, 4, 2, 3], [4, 2, 6, 8, 5, 3, 7, 9, 1], [7, 1, 3, 9, 2, 4, 8, 5, 6], [9, 6, 1, 5, 3, 7, 2, 8, 4], [2, 8, 7, 4, 1, 9, 6, 3, 5], [3, 4, 5, 2, 8, 6, 1, 7, 9]]));
}
