Add detailed information regarding the program in the commented areas.
<?php
// This creates a variable for the database
2.      $dbname = 'cds';
// This creates a variable for the host
3.      $hostname = 'localhost';
//  Sets the username variable to “username”, sets the password to “secret”,
// sets the tablename to “selections”
4.      $username = 'username';
5.      $password = 'secret';
6.      $tablename="selections";
// This connects to the hostname and uses the username and password
//

7.      $id_link = @mysql_connect($hostname, $username, $password);
//
//This connects to the dbname
8.      $result1=mysql_listfields($dbname,$tablename);
 //This returns the field name if successful, or false if unsuccessful
// The “0” means the first field
9.      $name=mysql_fieldname($result1,0);
//
10.  $name1=mysql_fieldname($result1,1);
//
11.  $name2=mysql_fieldname($result1,2);
//
12.  $name3=mysql_fieldname($result1,3);
//

13.  $name4 = mysql_fieldname($result1,4);
//

14.  $result = mysql_db_query ("$dbname","select * from $tablename");

//
//

15.  while ($row = mysql_fetch_array ($result)) {
//
//
16.  print "row number: ".$row["$name"]."<br>\n";
//
//
17.  print "$name1: ".$row["$name1"]."<br>\n";
//
//
18.  print "$name2: ".$row["$name2"]."<br>\n";
//
//
19.  print "$name3 ".$row["$name3"]."<br>\n";
20.  print "$name4 ".$row["$name4"]."<br>\n";
.  }
//

22.  mysql_free_result ($result);

23.  ?>
24.  </body></html>