PHP - pasar variables por URL

<a href=player.php?id=<?php echo urlencode($row['id']); ?>>

$con = mysql_connect("hostname","username","password");

$db = mysql_select_db("basename");

$con = mysqli_connect("hostname","username","password","basename"); // Forma 1

$con = new mysqli("hostname","username","password","basename"); // Forma 2

$query = mysql_query("SELECT * FROM table", $con);

$query = mysqli_query($con, "SELECT * FROM table"); // Forma 1

$query = $con->query("SELECT * FROM table"); // Forma 2

<?php

	include 'conexion.php';

$con = mysqli_connect("localhost","root","","cromoped_buscador");

$result = mysqli_query($conexion, "SELECT * FROM cromoseste WHERE id LIKE ‘%id%’" );

echo "<br />";

while($row = mysqli_query($result))

{

$contenido = $row[‘id’];

echo $contenido;

echo "<br />";

}

	?>

<?php $data = cargarDatos($_GET["id"]); ?>

	<table width="100%" border="5" cellspacing="1">

  <tbody>

	  <tr>

      <th>Apodo</th>

      <th>Nombre</th>

      <th>Equipo</th>

	  <th>Temporada</th>

    </tr>

    <tr>

      <td><?php echo $data["Apodo"]; ?></td>

      <td><?php echo $data["Nombre"]; ?></td>

      <td><?php echo $data["Equipo"]; ?></td>

	  <td><?php echo $data["Temporada"]; ?></td>

    </tr>

  </tbody>

</table>

<?php $data = cargarDatos($_GET["id"]); ?>

<table width="100%" border="5" cellspacing="1">

  <tbody>

	  <tr>

      <th>Apodo</th>

      <th>Nombre</th>

      <th>Equipo</th>

	  <th>Temporada</th>

    </tr>

<?php foreach ($data as $row): ?>

    <tr>

      <td><?php echo $row["Apodo"]; ?></td>

      <td><?php echo $row["Nombre"]; ?></td>

      <td><?php echo $row["Equipo"]; ?></td>

      <td><?php echo $row["Temporada"]; ?></td>

    </tr>

 <?php endforeach; ?>

  </tbody>

</table>

<?php

   function cargarDatos($id){

	  include 'conexion.php';

	   $id = $_GET["id"];

	   $sql = "SELECT * FROM cromoseste WHERE id = '".$id."'";

	   $res = mysqli_query($conexion, $sql);

	   $reg = mysqli_fetch_assoc($res);

	   if(count($reg) == 0){

	      header("Location:index.php?error=1");

	   } else {

	   	  return $reg;

	   }

   }

?>

function cargarDatos($id)

$reg = array();

while($row = mysqli_fetch_assoc($res)) {

    $reg[] = $row;

}

return $reg;