{ echo "Smoker Parent"; } } class Child extends Parents { private $con; function __construct($host, $user, $pass, $dbname) { $this->con = new mysqli($host, $user, $pass, $dbname); } function query($query) { return $this->con->query($query); } public function show() { $this->dalChawal(); echo "Show Child"; } public function talkative($abc) { echo $abc; } } $child = new Child("localhost", "root", "root", "helfer1"); $abc = $child->query("select * from setting where grupos = 'general'")->fetch_all(); var_dump($abc); //$child->show(); //echo "<br>"; //$child->talkative("Aslam");