Identicon\Generator\BaseGenerator::convertHashToArrayOfBoolean PHP Method

    private function convertHashToArrayOfBoolean()
    {
        preg_match_all('/(\\w)(\\w)/', $this->hash, $chars);
        foreach ($chars[1] as $i => $char) {
            $index = (int) ($i / 3);
            $data = $this->convertHexaToBoolean($char);
            $items = [0 => [0, 4], 1 => [1, 3], 2 => [2]];
            foreach ($items[$i % 3] as $item) {
                $this->arrayOfSquare[$index][$item] = $data;
            }
            ksort($this->arrayOfSquare[$index]);
        }
        $this->color = array_map(function ($data) {
            return hexdec($data) * 16;
        }, array_reverse($chars[1]));
        return $this;
    }