documentation for script beer.php

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-us">
  <head>
    <title></title>
    <link rel="stylesheet" type="text/css" href="main.css" />
    <meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
    <meta http-equiv="content-script-type" content="text/javascript"/>
  </head>
  <body>
    <!-- The contents starts here. -->

<h1>beer shop</h1>

   <?php 
   $link=@mysqli_connect('localhost','krichel','');   
if(!$link) {
  print "shop is closed today, sorry!\n";
 } 
print "<form action=\"".$_SERVER['PHP_SELF']."\">\n";
print "<table>\n";
mysqli_select_db($link,'krichel');
$result=@mysqli_query($link,"SELECT * from beers ORDER BY price desc");
while($columns=@mysqli_fetch_array($result)) {
  print "<tr>\n";
  print "<td>".$columns[0]."</td>\n";
  print "<td>".$columns[1]."</td>\n";
  print "<td><input type=\"text\" size=\"3\" name=\"b".$columns[2]."\"/></td> \n";
 print "</tr>\n";
}
print "</table>\n";
print "<div><input name=\"submit\" type=\"submit\" value=\"I order\"/></div>\n";
print "</form>\n";
?>

  
    
    
    <p id="validator">
      <a href="http://validator.w3.org/check?uri=referer">
        <img style="border-width: 0pt" alt="Valid XHTML 1.0!" height="31"
             width="88" src="http://dlib.info/valid-xhtml10.png"/>
      </a>
    </p>
  </body>
</html>