PHP - Pasar de MySql a Mysqli

<?php

        	include ('config/conexion_mysql.php');

	  			$id=$_GET['id'];

	  				mysql_select_db($bd,$conexion);

				$query = "SELECT * FROM noticias WHERE id_noticia='$id'";

			$consulta = mysql_query($query,$conexion);

		if($row=mysql_fetch_assoc($consulta))

{

?>

				<h3><a href="blog-post.html"><?php echo $row['titulo']; ?></a></h3>

                    <ul class="post_meta_links">

                        <li class="post_by"><a href="#"><?php echo $row['autor']; ?></a></li>

                        <li class="post_categoty"><a href="#">Web tutorials</a></li>

                        <li class="post_comments"><a href="#">18 Comments</a></li>

                    </ul>

				<div class="post_info_content">

                <h5><?php echo $row['descripcion']; ?></h5>

                <p><?php echo $row['texto']; ?></p>

                	</div>

			</div><!-- /# end post -->

			</div>

           <?php

 }?>

 <?php

	mysql_free_result($consulta);

?>

<?php

    $host_db = "localhost"; // Host de la BD 

    $usuario_db = "root"; // Usuario de la BD 

    $clave_db = ""; // Contraseña de la BD 

    $nombre_db = "base"; // Nombre de la BD 

    $conexion = mysql_connect($host_db, $usuario_db, $clave_db);

    mysql_select_db($nombre_db);

?>

<?php

 include ('config/conexion_mysql.php');

 //$conexion = mysqli_connect("localhost", "root", "", "base");

 $id=$_GET['id'];

 mysqli_select_db($conexion,$db);

 //mysql_select_db($bd,$conexion); 

 $query = "SELECT * FROM noticias WHERE id_noticia='$id'";

 $consulta = mysqli_query($conexion,$query);

 //$consulta = mysql_query($query,$conexion); 

 if($row = mysqli_fetch_assoc($consulta))

 { ?>

 	<h3><a href="blog-post.html"><?php echo $row['titulo']; ?></a></h3>

 	<ul class="post_meta_links">

 		<li class="post_by">

 			<a href="#"><?php echo $row['autor']; ?></a>

 		</li>

 		<li class="post_categoty">

 			<a href="#">Web tutorials</a>

 		</li>

 		<li class="post_comments">

 			<a href="#">18 Comments</a>

 		</li>

 	</ul>

 	<div class="post_info_content">

 		<h5><?php echo $row['descripcion']; ?></h5>

 		<p><?php echo $row['texto']; ?></p>

 	</div>

 	<div><!-- /# end post -->

 	</div>

<?php

}

mysqli_free_result($consulta);

?>

<?php

session_start();

//LOCAL QUE VOCÊ PRECISA ALTERAR

$servidor_mysql = "localhost";

$usuario_mysql  = "root";

$senha_mysql    = "jlaa1991";

$basedados_accounts = "l2jdb";

/*/ ALTERAÇÕES SOMENTE ATÉ AQUI/*/

$con = mysql_connect($servidor_mysql, $usuario_mysql, $senha_mysql) or die(mysql_error());

mysql_select_db($basedados_accounts, $con) or die(mysql_error());

$login_session = @$_SESSION['login'];

$senha_session = @$_SESSION['senha'];

$confirmar = mysql_query("SELECT * FROM accounts WHERE login = '".$login_session."' AND password = '".$senha_session."'") or die(mysql_error());

$contagem = mysql_num_rows($confirmar);

$dados = mysql_fetch_array($confirmar);

if($contagem == 1){

	$_SESSION['logado'] = 1;

}

$config = mysql_query("SELECT valor FROM voto_config WHERE id = 'item_id'");

$c_config = mysql_fetch_array($config);

$item = $c_config['valor'];

$config = mysql_query("SELECT valor FROM voto_config WHERE id = 'quantidade'");

$c_config = mysql_fetch_array($config);

$qtd_item = $c_config['valor'];

$config = mysql_query("SELECT valor FROM voto_config WHERE id = 'seu_id_topgs200'");

$c_config = mysql_fetch_array($config);

$link_voto = 'http://www.topgs200.com/lineage2/voto.php?id='.$c_config['valor'].'';

?>

<?php

/**

 * A class file to connect to database

 */

class DB_CONNECT {

    // constructor

    function __construct() {

        // connecting to database

        $this->connect();

    }

    // destructor

    function __destruct() {

        // closing db connection

        $this->close();

    }

    /**

     * Function to connect with database

     */

    function connect() {

        // import database connection variables

        require_once __DIR__ . '/db_config.php';

        // Connecting to mysql database

        $con = mysql_connect(DB_SERVER, DB_USER, DB_PASSWORD) or die(mysql_error());

        // Selecing database

        $db = mysql_select_db(DB_DATABASE) or die(mysql_error()) or die(mysql_error());

        // returing connection cursor

        return $con;

    }

    /**

     * Function to close db connection

     */

    function close() {

        // closing db connection

        mysql_close();

    }

}

?>

<?php

/*

 * Following code will list all the products

 */

// array for JSON response

$response = array();

// include db connect class

require_once __DIR__ . '/db_connect.php';

// connecting to db

$db = new DB_CONNECT();

// get all products from products table

$result = mysql_query("SELECT *FROM empresa") or die(mysql_error());

// check for empty result

if (mysql_num_rows($result) > 0) {

    // looping through all results

    // products node

    $response["empresas"] = array();

    while ($row = mysql_fetch_array($result)) {

        // temp user array

        $product = array();

        $product["id"] = $row["id"];

        $product["nombre"] = $row["nombre"];

        // push single product into final response array

        array_push($response["empresas"], $product);

    }

    // success

    $response["success"] = 1;

    // echoing JSON response

    echo json_encode($response);

} else {

    // no products found

    $response["success"] = 0;

    $response["message"] = "No products found";

    // echo no users JSON

    echo json_encode($response);

}

?>

<?php

define('DB_USER', "u000000_nombre"); // db user

define('DB_PASSWORD', "soylacontraseña"); // db password (mention your db password here)

define('DB_DATABASE', "u00000_bdnombre"); // database name

define('DB_SERVER', "localhost"); // db server

?>

<?php

// Configurações do MySQL

$sql['usr'] = "root";    # Usuário, Ex: "root" (Geralmente é root mesmo)

$sql['pass'] = "";                  # Senha, caso não tenha definido, deixe em branco, Ex: ""

$sql['db'] = "l2jdb";       # Database, Ex: "l2jdb"

$sql['host'] = "localhost";   # Endereço do servidor MySQL, Ex: "localhost"

// Fim das configurações do MySQL

// Não mexer abaixo

$open = mysql_connect($sql['host'], $sql['usr'], $sql['pass']) or die("Não foi possível conectar-se à database.");

$select_db = mysql_select_db($sql['db'], $open) or die("Database não encontrada ou inexistente.");

// Não mexer acima

// STATUS DO SERVIDOR 

//Configurações para mostrar Servidor Online/Offline no Site

$servidor = 'ip';//IP onde o Server está hospedado

$loginserver = @fsockopen($servidor, 2106, $errno, $errstr, 2);

$gameserver = @fsockopen($servidor, 7777, $errno2, $errstr2, 2);

// OPÇÃO DOS PLAYERS ONLINE

//$select = mysql_query("SELECT * FROM characters WHERE online = '1'") or die (mysql_error());

//$co = mysql_num_rows($select);

// OPÇÃO DOS PLAYERS ONLINE

//PLAYERS ONLINE 

	$online_add = "27";#ADICIONE AQUI O NUMERO A MAIS DE PLAYERS

	switch($online_add){

		case $online_add < 0;

		echo "Valor da variavel esta incorreto";

		break;

		exit;

	}

	$seleciona_valores = mysql_query("SELECT * FROM characters WHERE online = '1'") or die (mysql_error());

// Configurações Gerais

$ddos = "Active";

$guard = "Active";

$update1 = "Fixed Reward Siege";

$update2 = "Fixed Reward Events";

$update3 = "Fixed TW Event";

$update4 = "Fixed Blessed 90%";

$update5 = "Fixed Quake Announce";

$update6 = "Fixed PvP/Pk Announce";

$update7 = "Fixed PVP AREA - Field of whispers";

// VOTES 

$votegs = "http://www.gamesites200.com/lineage2/in.php?id=33341";

$votetop = "http://www.topservers200.com/in.php?id=8829";

$votejbr = "http://top.l2jbrasil.com/index.php?a=in&u=la2lmserver";

// DOWNLOADS 

$system = "http://la2lm.com/system.zip";

$systemtextures = "http://la2lm.com/textures.zip";

$client = "http://la2lm.com/client.zip";

?>