<?php

/*
 *                __        .__        __
 * _____________ |__|_  _  _|__| _____/  |_  ___________
 * \____ \_  __ \|  \ \/ \/ /  |/    \   __\/ __ \_  __ \
 * |  |_> >  | \/|  |\     /|  |   |  \  | \  ___/|  | \/
 * |   __/|__/\__|  | \/\_/ |__|___|  /__|  \___  >__|
 * |__|      \______|               \/          \/
 *
 * Flexible and easy-to-use PHP framework
 */

class Engine extends Functions {

    /*
     * Variables
     */

    private $host, $user, $pass, $dbname, $port, $enabled, $link;

    /*
     * Initalise
     */

    final public function initalise($host, $user, $pass, $dbname, $port) {
        if(!$this->enabled) {
            $this->host = $host;
            $this->user = $user;
            $this->pass = $pass;
            $this->dbname = $dbname;
            $this->port = $port;
            $this->link = mysql_pconnect($this->host, $this->user, $this->pass);
            if(mysql_select_db($this->dbname, $this->link)) {
                $this->enabled = true;
            } else {
                parent::throwError("Engine Error", "Failed to connect to server host.");
            }
        }
    }

    /*
     * Filter
     */

    final public function filter($string) {
        return mysql_real_escape_string($string);
    }

    /*
     * Handlers
     */

    final public function close() {
        if($this->enabled) {
            mysql_close();
            $this->enabled = false;
        } else {
            parent::throwError("Engine Error", "There is no established connection to close.");
        }
    }

    final public function send($string) {
        if($this->enabled) {
            $this->filter($string);
            mysql_query($string);
        } else {
            parent::throwError("Engine Error", "Failed to send to the specified database. Info: " . mysql_error());
        }
    }
}

?>