gastrodata/Database.class.php

<?php

class Database {
    private $mysqli = null;

    public function __construct()
    {
        $config = require("config.php");
        $this->mysqli = new mysqli($config["db_host"], $config["db_user"], $config["db_pass"], $config["db_name"], $config["db_port"]);
        if ($this->mysqli->connect_errno) {
            die("Failed to connect to database: (" . $this->mysqli->connect_errno . ") " . $this->mysqli->connect_error);
        };
    }

    public function query($query="")
    {
        return $this->mysqli->query($query);
    }

    public function escape($string="")
    {
        return $this->mysqli->real_escape_string($string);
    }

    public static function execute_query($query="")
    {
        return (new self())->query($query);
    }

    public static function escape_string($string="")
    {
        return (new self())->escape($string);
    }
}