PHP - Mostrar todas las tablas de una base de datos

<?php

mysql_connect($db, $user, $password);

$tablas = mysql_list_tables($db);

while (list($tabla) = mysql_fetch_row($tablas)) {

      echo "<a href='insertar-info/".$tabla."'>".$tabla."</a><br />";

}

?>

<?php

$q = "SELECT TABLE_NAME as name

      FROM information_schema.TABLES 

      WHERE TABLE_SCHEMA = 'PEPITO';"

$sql= mysqli_query($conexion, $q)or die(mysqli_error());

while($row= mysqli_fetch_array($sql))

{

   echo "<a href='insertar-info/".$row['name']."'>".$row['name']."</a><br />";

}

?>