class street_class
{
    private $conn;
    private $street_name = '';
    private $sector;
    private $slug;
    private $exist = false;
    private $toid;
    private $toid_id = 0;
    private $has_postcode = false;
    private $postcode_array = [];
    private $postcode_fids = [];
    private $total_length = 0;
    private $streetline = [];
    private $canonical = '';

    public function __construct($db, $sector, $slug)
    {
        $this->conn = $db;
        $this->sector = $this->format_sector($sector);
        $this->slug = $slug;
        $this->populateStreetData();
    }

    private function format_sector($sector)
    {
        return strtoupper(str_replace('-', ' ', $sector));
    }

    private function populateStreetData()
    {
        $this->set_street();

        if (!$this->exist) {
            return;
        }

        $this->set_street_line();
        $this->set_roadlinks();
        $this->set_postcodes();
    }

    public function get_canonical()
    {
        return $this->canonical;
    }

    public function get_toid()
    {
        return $this->toid;
    }

    public function get_length()
    {
        return $this->total_length;
    }

    public function has_postcodes()
    {
        return $this->has_postcode;
    }

    public function get_postcodes()
    {
        return $this->postcode_array;
    }

    public function get_paf_ids()
    {
        return $this->postcode_fids;
    }

    public function get_line()
    {
        return $this->streetline;
    }

    public function record_found()
    {
        return $this->exist;
    }

    public function get_street_name()
    {
        return $this->street_name;
    }

    // keep set_street(), set_street_line(), set_roadlinks(), set_postcodes()
}
<br />
<b>Fatal error</b>:  Uncaught Error: Class &quot;street_class&quot; not found in /home/streetlist/public_html/sr/street_handler.php:624
Stack trace:
#0 /home/streetlist/public_html/sr/index.php(230): include()
#1 {main}
  thrown in <b>/home/streetlist/public_html/sr/street_handler.php</b> on line <b>624</b><br />