Linux, Apache, MySQL, PHP

 <form method="get">

<table>
          <tr>
            <td style="padding:5px;">Budget:</td>
            <td style="padding:5px;"><input type="text" name="budget" class="txtfield" placeholder="Please enter your desired budget"></td>
          </tr>
          <tr>
            <td style="padding:5px;">Service Type:</td>
          <td style="padding:5px;">
              <select name="servicetype" class="txtfield">
                <option>Wedding</option>
                <option>Debut</option>
                <option>Birthday</option>
              </select>
            </td>
          </tr>
          <tr>
            <td style="padding:5px;"></td>
            <td style="padding:5px;"><input type="submit" name="search" value="Search" class="btn btn-warning"></td>
          </tr>
        </table>
        </form>
    <?php if(isset($_GET['search'])):?>
        <h3 style="background:red; color:white; width:300px; padding:5px;">Desired Amount: <?php echo $_GET['budget'] ?></h3>
    <?php endif?>
    <div class="products">
    <?php
    //current URL of the Page. cart_update.php redirects back to this URL
	$current_url = base64_encode($url="http://".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']);
    if(isset($_GET['search']))
    {

$servicetype = $_GET['servicetype'];
    if($_GET['budget'] =="")
    {
        echo'<div class="alert alert-warning">Please enter your desired amount</div>';
    }
    else
    {
    $servicetype = $_GET['servicetype'];
	$results = $mysqli->query("SELECT service_inclusion,price,servicetype,soid FROM service_offer 
        where servicetype='$servicetype' ORDER BY soid ASC");
    if ($results) 
    {

  while($obj = $results->fetch_object())
        {

  echo '<div class="product">'; 
            echo '<form method="get" action="cart_update.php">';
			
  echo '<div class="product-content"><h3>'.$obj->service_inclusion.'</h3>';
            echo '<div class="product-desc">Price: '.$currency.$obj->price.' </div>';
            echo '<div class="product-desc">Service Type: '.$obj->servicetype.' </div>';
            echo '<div class="product-info">';
			echo '<button style="background:#F01818; color:white;border:0;">Add Services</button>';
			echo '</div></div>';
            echo '<input type="hidden" name="service_inclusion" value="'.$obj->service_inclusion.'" />';
            echo '<input type="hidden" name="type" value="add" />';
            echo '<input type="hidden" name="soid" value="'.$obj->soid.'" />';
			echo '<input type="hidden" name="return_url" value="'.$current_url.'" />';
            echo '</form>';
            echo '</div>';
        }
      }
    }

 ?>
    
 </div>
    
<div class="shopping-cart">
<h2>Your Shopping Cart</h2>
<?php
if(isset($_SESSION["products"]))
{
    $total = 0;
    echo '<ol>';
    if($_GET['budget'] > $cart_itm['price'])
    {
        $message = 'error';
    }
    else
    {
    foreach ($_SESSION["products"] as $cart_itm)
    {

  echo '<li class="cart-itm">';
        echo '<span class="remove-itm"><a href="cart_update.php?removep='.$cart_itm["code"].'&return_url='.$current_url.'">×</a></span>';
        echo '<h3>'.$cart_itm["name"].'</h3>';
        echo '<div class="p-price">Price :'.$currency.$cart_itm["price"].'</div>';
        echo '</li>';
        $subtotal = ($cart_itm["price"]);
        $Total = ($total + $subtotal);
        
   }echo'</ol>';
    echo '<span class="check-out-txt"><strong>Total : '.$currency.$Total.'</strong> <a href="view_cart.php">Check-out!</a></span>';
	echo '<span class="empty-cart"><a href="cart_update.php?emptycart=1&return_url='.$current_url.'">Empty Cart</a></span>';
}   }
else
{
    echo 'Your Cart is empty';

}}
?>

</div>
<div style="clear:both;"></div>    
</div>
<script type="text/javascript">
    <?php 
        if(isset($message))
        {
            echo "alert('$message')";
        }
    ?>
</script>

echo $timestamp = strtotime($_POST['dateFrom']);

public string HashString(string toHash)
{
    using (SHA512CryptoServiceProvider sha = new SHA512CryptoServiceProvider())
    {
        byte[] dataToHash = Encoding.UTF8.GetBytes(toHash);
        byte[] hashed = sha.ComputeHash(dataToHash);
        return Convert.ToBase64String(hashed);
    }
}

public string HashPassword(string password, string salt)
{
    string combined = password + salt;
    return HashString(combined);
}

Apache 2.
Apache was not able to cross-connect to remote host.

<pre lang="xml"><!DOCTYPE HTML>
02    <html>
03    <body>
04
05
06    <select name = "author">
07    <option value="kendavies">ken davies</option>
08     <option value="arthursmith">arthur smith</option>
09    <option value="gillrafferty">gill rafferty</option>
10    <option value="mollybrown">molly brown</option>
11    <option value="gilbert riley">gilbert riley</option>
12    <option value="colinwilson">colin wilson</option>
13      <option value="jamesgreen">james green</option>
14     <option value="arnoldlaing">arnold laing</option>
15    <option value="cathyellis">cathy ellis</option>
16    <option value="carolreed">carol reed</option>
17
18    </select>
19
20    <select name = "publisher">
21    <option value="yonkers">yonkers</option>
22     <option value="blueparrot">blue parrot</option>
23    <option value="zoot">zoot</option>
24
25    </select>
26      <select name = "published">
27    <option value="2003">2003</option>
28     <option value="2004">2004</option>
29    <option value="2005">2005</option>
30    <option value="2006">2006</option>
31    <option value="2007">2007</option>
32    <option value="2008">2008</option>
33
34    </select>
35
36     <select name = "genre">
37    <option value="adventure">adventure</option>
38     <option value="thriller">thriller</option>
39    <option value="crime">crime</option>
40    <option value="biography">biography</option>
41    <option value="romance">romance</option>
42
43    </select>
44    $aa = "author"
45    $bb = "publisher"
46    $cc = "yearpublished"
47    $dd = "genre"
48        </body>
49  </html>
50  <?php
51
52    $aa = "author";
53    $bb = "publisher";
54    $cc = "yearpublished";
55    $dd = "genre";
56   mysql_connect ("localhost","root","") or die(mysql_error());
57  mysql_select_db ("authors") or die(mysql_error());
58
59  $strSQL = SELECT * FROM `books`WHERE author = '".$aa."' AND publisher = '".$bb."' AND yearpublished = '".$cc."' AND genre ='".$dd."'" ";
60   $rs = mysql_query($strSQL);
61
62
63
64  while($row = mysql_fetch_array($rs) ) {
65
66  print $row ['ID']."<br/>";
67  print $row ['author']."<br/>";
68  print $row ['booktitle']."<br/>";
69  print $row ['publisher']."<br/>";
70  print $row ['yearpublished']."<br/>";
71  print $row ['genre']."<br/>";
72  print $row ['copiessold']."<br/>";
73
74
75     }
76    mysql_close();
77  ?>
78  </body>
79  </html>