ABYSS

<?php
include("mysql.php");

print '<p>Случайные товары</p>'; 
  
  $sql = 'SELECT * FROM products WHERE id ORDER BY RAND() LIMIT 5';
  $query = mysql_query($sql);
  if($query){
    while($row = mysql_fetch_array($query)){
      print $row['name'].'<br><img src="'.$row['img'].'"><br>Категория: '.$row['cat'].'<a href="./2.php?cat= '.$row['cat'].' &id='.$row['id'].'"> подробнее..</a>'
    }
  }
 
  if (!isset($_GET['cat']))
    {
      include('2.php');
    } 
?>

<?php
@include_once("mysql.php"); 
 
if($_GET['id']){
  $sql = 'SELECT * FROM products WHERE id='.mysql_real_escape_string($_GET['id']);
  $query2 = mysql_query($sql);
  while ($row2 = mysql_fetch_array(query2))
  {
    print $row2['name'].'<br><p>'.$row2['cat'].' </p><p>'.$row2['id'].' </p><img src="'.$row2['img'].'"'.$row2['text'].' Цена: '.$row2['price']; 
  }
}
?>