it_kbsu_ru/core/it_deportament.php

<?php

class ITDeportamentComtroller extends DBProvider {
    private $_connect_db;

    function __construct()
    {
        $this->_connect_db = parent::connect();
    }

    public function get_all(){
        $query = "SELECT * FROM it_deportament;";
        $stmt = $this->_connect_db->prepare($query);
        $stmt->execute();
        return $stmt->fetchAll(PDO::FETCH_CLASS, "ITDeportament");
    }

    public function get_all_by_id(int $id){
        $query = "SELECT * FROM it_deportament WHERE id = :id;";
        $stmt = $this->_connect_db->prepare($query);
        $stmt->bindValue("id", $id, PDO::PARAM_INT);
        $stmt->execute();
        return $stmt->fetchAll(PDO::FETCH_CLASS, "ITDeportament")[0];
    }

}

class ITDeportament {
    public $id, $name;
}