<?php

$servername = "localhost";
$username = "root";
$password = "indicadls02";
$database = "segmentor";
$conn = new mysqli($servername, $username, $password, $database);

if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}

echo "Connected successfully <br>";

error_reporting(-1);

class gang {

    private $operators;

    public function fetchOperators() {
        $class = get_class($this);
        echo "$class <br>";
        $class = "PushCrew";
        $que = "select * from Operators where Tag = '$class' ";
        echo "$que <br>";
        if(mysqli_num_rows(mysqli_queri($conn, $que)) > 0) {
            echo "query is true <br>";
            $operators = $conn->query($que);
            print_r($operators);
        }
        else {
            echo "select query failed <br>";
        }
    }

    public function getOperators() {
        $this->operators = $this->fetchOperators();
        if(get_parent_class($this)) {
            echo "parent exists <br>";
            echo "$this->operators OPS <br>";
            $parent = get_parent_class($this);
            $temp = new $parent();
            $operatorsInherited = $temp->getOperators();
            echo "$operatorsInherited  inherited<br>";
            $this->operators += ($operatorsInherited);
        }
        else {
            echo "tree finished <br>";
        }
        return $this->operators;
    }
}

class bang extends gang{
    private $operators;
};

$ob2 = new bang();
$ob2->fetchOperators();
//$arr = $ob2->getOperators();
//print_r($arr);