public function isValid(Matrix $matrix)
{
$rowsSize = array_map(function ($row) {
return count($row);
}, $matrix->toArray());
return count($rowsSize) > 0 && count(array_keys($rowsSize, $rowsSize[0])) == count($rowsSize);
}
protected function traverseRow(Matrix $matrix, $rotatedMatrix, $rowIndex)
{
for ($columnIndex = 0, $width = $matrix->getWidth(); $columnIndex < $width; $columnIndex++) {
if (!isset($rotatedMatrix[$rowIndex]) || !isset($rotatedMatrix[$columnIndex])) {
$rotatedMatrix[$columnIndex] = [];
}
$rotatedMatrix[$columnIndex] = $this->addValueToRow($rotatedMatrix[$columnIndex], $this->getMatrixValue($matrix, $rowIndex, $columnIndex));
}
return $rotatedMatrix;
}
protected function getMatrixValue(Matrix $matrix, $rowIndex, $columnIndex)
{
return $matrix->getValue($rowIndex, $columnIndex);
}