EngineGP/system/library/sql.php

<?php
if (!DEFINED('EGP'))
    exit(header('Refresh: 0; URL=http://' . $_SERVER['SERVER_NAME'] . '/404'));

class mysql
{
    var $sql_id = false;
    var $sql_connect = false;
    var $query = false;
    var $query_id = false;
    var $mysqlerror = '';

    public function connect_mysql($c, $u, $p, $n)
    {
        if (!$this->sql_id = @new mysqli($c, $u, $p, $n)) {
            if (!ERROR_DATABASE)
                return NULL;

            $this->out_error(mysqli_connect_error());
        }

        mysqli_query($this->sql_id, "/*!40101 SET NAMES 'utf8' */");

        $this->sql_connect = true;

        return NULL;
    }

    public function query($query)
    {
        if (!$this->sql_connect)
            $this->connect_mysql(CONNECT_DATABASE, USER_DATABASE, PASSWORD_DATABASE, NAME_DATABASE);

        if (!($this->query_id = mysqli_query($this->sql_id, $query)) and (mysqli_error($this->sql_id) and ERROR_DATABASE))
            $this->out_error(mysqli_error($this->sql_id), $query);

        return $this->query_id;
    }

    public function get($query_id = false)
    {
        if (!$query_id)
            $query_id = $this->query_id;

        $get = mysqli_fetch_assoc($query_id);

        return $get;
    }

    public function num($query_id = false)
    {
        if (!$query_id)
            $query_id = $this->query_id;

        return mysqli_num_rows($query_id);
    }

    public function id()
    {
        return mysqli_insert_id($this->sql_id);
    }

    public function esc()
    {
        mysqli_close($this->query_id);
        mysqli_stmt_close($this->sql_id);
    }

    private function out_error($error, $query = '')
    {
        global $go;

        if ($go)
            sys::outjs(array('e' => 'Query: ' . $query . '<br>Error:<br>' . $error));

        if ($query != '')
            echo 'Query: ' . $query . '<br>';

        echo 'Error:<br>' . $error;

        exit();
    }
}

$sql = new mysql;
?>