if then

<?php
$post_contents = $_POST;
$post_contents['email'] = strtolower($post_contents['email']);
if( !isset($post_contents['dropoff_city']) || $post_contents['dropoff_city'] == ""){$post_contents['dropoff_city'] = 'ask_me';
}
if (count($_POST) <= 0)
{
    exit();
}

$aFilters = array(
    'first_name' => array(
        'filter' => FILTER_VALIDATE_REGEXP,
        'options' => array('regexp' => '/^[a-z- ]{3,20}$/i'),
    ),
    'last_name' => array(
        'filter' => FILTER_VALIDATE_REGEXP,
        'options' => array('regexp' => '/^[a-z- ]{3,20}$/i'),
    ),
    'phone' => array(
        'filter' => FILTER_VALIDATE_REGEXP,
        'options' => array('regexp' => '/^[0-9-]{7,20}$/i'),
    ),
    'email' => FILTER_VALIDATE_EMAIL,
    'pickup_city' => array(
        'filter' => FILTER_VALIDATE_REGEXP,
        'options' => array('regexp' => '/^[a-z0-9 -]{3,20}$/i'),
    ),
    'pickup_state_code' => array(
        'filter' => FILTER_VALIDATE_REGEXP,
        'options' => array('regexp' => '/^[a-zA-Z-]{2}$/i'),
    ),
    'pickup_country_id' => array(
        'filter' => FILTER_VALIDATE_INT,
        'options' => array('min_range' => 1),
    ),
    'dropoff_city' => array(
        'filter' => FILTER_VALIDATE_REGEXP,
        'options' => array('regexp' => '/^[a-z0-9 -]{3,20}$/i'),
    ),
    'dropoff_state_code' => array(
        'filter' => FILTER_VALIDATE_REGEXP,
        'options' => array('regexp' => '/^[a-zA-Z-]{2}$/i'),
    ),
     'dropoff_country_id' => array(
        'filter' => FILTER_VALIDATE_INT,
        'options' => array('min_range' => 1),
    ),
    'estimated_ship_date' => array(
        'filter' => FILTER_VALIDATE_REGEXP,
        'options' => array('regexp' => '/(0[1-9]|1[012])[- \/.](0[1-9]|[12][0-9]|3[01])[- \/.](19|20)\d\d/'),
    'ship_via_id' => array(
        'filter' => FILTER_VALIDATE_INT,
        'options' => array('min_range' => 1),
    ),
    'year1' => array(
        'filter' => FILTER_VALIDATE_INT,
        'options' => array('min_range' => 1900, 'max_range' => 2100),
    ),
    'make1' => array(
        'filter' => FILTER_VALIDATE_REGEXP,
        'options' => array('regexp' => '/^[a-z0-9 -]{2,25}$/i'),
    ),
    'model1' => array(
        'filter' => FILTER_VALIDATE_REGEXP,
        'options' => array('regexp' => '/^[a-z0-9 -]{2,25}$/i'),
    ),
    'vehicle_type_id1' => array(
        'filter' => FILTER_VALIDATE_INT,
        'options' => array('min_range' => 1),
    ),
    )
);


$aFailureNotices = array (
  'first_name' => ' First Name ',
  'last_name' => ' Last Name ',
  'phone' => ' Phone Number ',
  'email' => ' Email Address ',
  'pickup_city' => ' Pickup City ',
  'pickup_state_code' => ' Pickup State ',
  'pickup_country_id' => ' Pickup Country ',
  'dropoff_city' => ' Dropoff City ',
  'dropoff_state_code' => ' Dropoff State ',
  'dropoff_country_id' => ' Dropoff Country ',
  'estimated_ship_date' => ' Shiping Date ',
  'ship_via_id' => ' Ship Via ',
  'year1' => ' Vehicle Year ',
  'make1' => ' Vehicle Make ',
  'model1' => ' Vehicle Model ',
  'vehicle_type_id1' => ' Vehicle Type ',
);


// Do the work now.
// Filter the input array
$filtered = filter_input_array(INPUT_POST, $aFilters);

function isEmpty($s)
{
    return empty($s);
}

// Pick out the empty ones (null is actually not provided, false is failed)
$aBadEntries = array_filter($filtered, 'isEmpty');

// Get a collection of error messages
$aErrorMessages = array_intersect_key($aFailureNotices, $aBadEntries);

if (!empty($aErrorMessages))
{
    include $_SERVER['DOCUMENT_ROOT']."/includes/failform.php";
}
else
{
    $ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "http://www.jtracker.com/lead_post.php");
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_TIMEOUT, 100);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($post_contents));
$data = curl_exec($ch);
curl_close($ch);

mysql_connect("localhost", "suser", "pass") or die("Connection Failed");
mysql_select_db("database")or die("Connection Failed");
$referrer = $post_contents['referrer'];
$first_name = $post_contents['first_name'];
$last_name = $post_contents['last_name'];
$email = $post_contents['email'];
$phone = $post_contents['phone'];
$year1 = $post_contents['year1'];
$make1 = $post_contents['make1'];
$model1 = $post_contents['model1'];
$vehicle_type_id1 = $post_contents['vehicle_type_id1'];
$pickup_city = $post_contents['pickup_city'];
$pickup_state_code = $post_contents['pickup_state_code'];
$pickup_country_id = $post_contents['pickup_country_id'];
$dropoff_city = $post_contents['dropoff_city'];
$dropoff_state_code = $post_contents['dropoff_state_code'];
$dropoff_country_id = $post_contents['dropoff_country_id'];
$vehicle_runs = $post_contents['vehicle_runs'];
$ship_via_id = $post_contents['ship_via_id'];
$estimated_ship_date = $post_contents['estimated_ship_date'];
$query = "INSERT INTO Boat_Shipping(referrer,first_name,last_name,email,phone,year1,make1,model1,vehicle_type_id1,pickup_city,pickup_state_code,pickup_country_id,dropoff_city,dropoff_state_code,dropoff_country_id,vehicle_runs,ship_via_id,estimated_ship_date)VALUES('$referrer','$first_name','$last_name','$email','$phone','$year1','$make1','$model1','$vehicle_type_id1','$pickup_city','$pickup_state_code','$pickup_country_id','$dropoff_city','$dropoff_state_code','$dropoff_country_id','$vehicle_runs','$ship_via_id','$estimated_ship_date')";
if(mysql_query($query)){
echo "Your information is being processed. Please wait.";}
else{
echo "Database Error";}


mysql_close();
}
if( $post_contents['referrer'] == "GPPC")
{
echo '<!-- Google Code for A Car Lead Conversion Page -->
<script type="text/javascript">
/* <![CDATA[ */
var google_conversion_id = xxxxxxxxxxxx;
var google_conversion_language = "en";
var google_conversion_format = "1";
var google_conversion_color = "ffffff";
var google_conversion_label = "xxxxxxxxxxxxxxxx";
var google_conversion_value = 5.00;
/* ]]> */
</script>
<script type="text/javascript" src="http://www.googleadservices.com/pagead/conversion.js">
</script>
<noscript>
<div style="display:inline;">
<img height="1" width="1" style="border-style:none;" alt="" src="http://www.googleadservices.com/pagead/conversion/xxxxxxxxxxx/?value=5.00&amp;label=xxxxxxxxxxxxxxxxx&amp;guid=ON&amp;script=0"/>
</div>
</noscript>';
}
else if( $post_contents['referrer'] == "goointer")
{
    echo '<!-- Google Code for International Lead Conversion Page -->
<script type="text/javascript">
/* <![CDATA[ */
var google_conversion_id = xxxxxxxxxxxxxxxxx;
var google_conversion_language = "en";
var google_conversion_format = "1";
var google_conversion_color = "ffffff";
var google_conversion_label = "xxxxxxxxxxxxxxxxxxxx";
var google_conversion_value = 5.00;
/* ]]> */
</script>
<script type="text/javascript" src="http://www.googleadservices.com/pagead/conversion.js">
</script>
<noscript>
<div style="display:inline;">
<img height="1" width="1" style="border-style:none;" alt="" src="http://www.googleadservices.com/pagead/conversion/xxxxxxxxxxxxxx/?value=5.00&label=nt-xxxxxxxxxxxxxxxx&guid=ON&script=0"/>
</div>
</noscript>';
}
else if( $post_contents['referrer'] == "BPPC")
{
    echo '<script type="text/javascript"> if (!window.mstag) mstag = {loadTag : function(){},time : (new Date()).getTime()};</script> <script id="mstag_tops" type="text/javascript" src="//flex.atdmt.com/mstag/site/xxxxxxxxxxxxxxxxxxxxxx/mstag.js"></script> <script type="text/javascript"> mstag.loadTag("analytics", {dedup:"1",domainId:"xxxxxxxxxxxx",type:"1",actionid:"xxxxxxxxxxxxxxx"})</script> <noscript> <iframe src="//flex.atdmt.com/mstag/tag/xxxxxxxxxxxxxxxxxxxxxxxxx/analytics.html?dedup=1&domainId=xxxxxxxxxxxxxxxx&type=1&actionid=xxxxxxxxxxxxxxx" frameborder="0" scrolling="no" width="1" height="1" style="visibility:hidden;display:none"> </iframe> </noscript>';
}
else if( $post_contents['referrer'] == "BINT")
{
echo '<script type="text/javascript"> if (!window.mstag) mstag = {loadTag : function(){},time : (new Date()).getTime()};</script> <script id="mstag_tops" type="text/javascript" src="//flex.atdmt.com/mstag/site/xxxxxxxxxxxxxxxxxxxx/mstag.js"></script> <script type="text/javascript"> mstag.loadTag("analytics", {dedup:"1",domainId:"xxxxxxxxxxx",type:"1",actionid:"xxxxxxxxxx"})</script> <noscript> <iframe src="//flex.atdmt.com/mstag/tag/xxxxxxxxxxxxxxxxx/analytics.html?dedup=1&domainId=1570529&type=1&actionid=xxxxxxxxxxxxx" frameborder="0" scrolling="no" width="1" height="1" style="visibility:hidden;display:none"> </iframe> </noscript>';
}
else
{
    exit();
}
?>