<?php

    class Database {

        public $hostname = "hostname";
        public $username = "username";
        public $password = "password";
        public $database = "database";

        public function __construct() {

            if( !mysqli_real_connect( $this->hostname, $this->username, $this->password, $this->database ) ) {
                die( "<h1>MySQLi Error:</h1><hr>" . mysqli_connect_error() . "<hr>" );
            }

        }

        public function query( $string ) {

            $q = mysqli_query( $string );
            if( !$q ) { die( "<h1>MySQLi Error:</h1><hr>" . mysqli_error() . "<hr>" ); }
            return $q;

        }

        public function arr( $string, $lazy = false ) {

            return $lazy != false ? mysqli_fetch_array( $this->query( $string ) ) : mysqli_fetch_array( $string );

        }

        public function assoc( $string, $lazy = false ) {

            return $lazy != false ? mysqli_fetch_assoc( $this->query( $string ) ) : mysqli_fetch_assoc( $string );

        }

        public function num( $string, $lazy = false ) {

            return $lazy != false ? mysqli_num_rows( $this->query( $string ) ) : mysqli_num_rows( $string );

        }

        public function escape( $string ) {

            return mysqli_real_escape_string( $string );

        }

    }

?>