Early PHP

<?php
$whereClause = "WHERE ";

$county1 = filter_input(INPUT_POST, 'county1', FILTER_SANITIZE_STRING);
$county2 = filter_input(INPUT_POST, 'county2', FILTER_SANITIZE_STRING);
$county3 = filter_input(INPUT_POST, 'county3', FILTER_SANITIZE_STRING);
$county4 = filter_input(INPUT_POST, 'county4', FILTER_SANITIZE_STRING);
$county5 = filter_input(INPUT_POST, 'county5', FILTER_SANITIZE_STRING);
$county6 = filter_input(INPUT_POST, 'county6', FILTER_SANITIZE_STRING);
$bhv = filter_input(INPUT_POST, 'bhv', FILTER_SANITIZE_STRING);
$mrc = filter_input(INPUT_POST, 'mrc', FILTER_SANITIZE_STRING);
$general = filter_input(INPUT_POST, 'general', FILTER_SANITIZE_STRING);
$evv = filter_input(INPUT_POST, 'evv', FILTER_SANITIZE_STRING);
$allCounties = filter_input(INPUT_POST, 'allCounties', FILTER_SANITIZE_STRING);
$fillmore = filter_input(INPUT_POST, 'fillmore', FILTER_SANITIZE_STRING);
$johnson = filter_input(INPUT_POST, 'johnson', FILTER_SANITIZE_STRING);
$otoe = filter_input(INPUT_POST, 'otoe', FILTER_SANITIZE_STRING);
$richardson = filter_input(INPUT_POST, 'richardson', FILTER_SANITIZE_STRING);
$seward = filter_input(INPUT_POST, 'seward', FILTER_SANITIZE_STRING);
$butler = filter_input(INPUT_POST, 'butler', FILTER_SANITIZE_STRING);
$gage = filter_input(INPUT_POST, 'gage', FILTER_SANITIZE_STRING);
$lancaster = filter_input(INPUT_POST, 'lancaster', FILTER_SANITIZE_STRING);
$pawnee = filter_input(INPUT_POST, 'pawnee', FILTER_SANITIZE_STRING);
$saline = filter_input(INPUT_POST, 'saline', FILTER_SANITIZE_STRING);
$thayer = filter_input(INPUT_POST, 'thayer', FILTER_SANITIZE_STRING);
$cass = filter_input(INPUT_POST, 'cass', FILTER_SANITIZE_STRING);
$jefferson = filter_input(INPUT_POST, 'jefferspm', FILTER_SANITIZE_STRING);
$nemaha = filter_input(INPUT_POST, 'nemaha', FILTER_SANITIZE_STRING);
$polk = filter_input(INPUT_POST, 'polk', FILTER_SANITIZE_STRING);
$saunders = filter_input(INPUT_POST, 'saunders', FILTER_SANITIZE_STRING);
$york = filter_input(INPUT_POST, 'york', FILTER_SANITIZE_STRING);
$aro = filter_input(INPUT_POST, 'aro', FILTER_SANITIZE_STRING);
$clergy = filter_input(INPUT_POST, 'clergy', FILTER_SANITIZE_STRING);
$intskills = filter_input(INPUT_POST, 'intskills', FILTER_SANITIZE_STRING);
$bus = filter_input(INPUT_POST, 'bus', FILTER_SANITIZE_STRING);
$child = filter_input(INPUT_POST, 'child', FILTER_SANITIZE_STRING);
$law = filter_input(INPUT_POST, 'law', FILTER_SANITIZE_STRING);
$cpr = filter_input(INPUT_POST, 'cpr', FILTER_SANITIZE_STRING);
$data = filter_input(INPUT_POST, 'data', FILTER_SANITIZE_STRING);
$security = filter_input(INPUT_POST, 'security', FILTER_SANITIZE_STRING);
$emergency = filter_input(INPUT_POST, 'emergency', FILTER_SANITIZE_STRING);
$computer = filter_input(INPUT_POST, 'computer', FILTER_SANITIZE_STRING);
$mechanical = filter_input(INPUT_POST, 'mechanical', FILTER_SANITIZE_STRING);
$administration = filter_input(INPUT_POST, 'administration', FILTER_SANITIZE_STRING);
$firstaid = filter_input(INPUT_POST, 'firstaid', FILTER_SANITIZE_STRING);
$translation = filter_input(INPUT_POST, 'translation', FILTER_SANITIZE_STRING);
$construction = filter_input(INPUT_POST, 'construction', FILTER_SANITIZE_STRING);
$basicclean = filter_input(INPUT_POST, 'basicclean', FILTER_SANITIZE_STRING);
$foodprep = filter_input(INPUT_POST, 'foodprep', FILTER_SANITIZE_STRING);
$animalcare = filter_input(INPUT_POST, 'animalcare', FILTER_SANITIZE_STRING);
$heavy = filter_input(INPUT_POST, 'heavy', FILTER_SANITIZE_STRING);
$license1 = filter_input(INPUT_POST, 'license1', FILTER_SANITIZE_STRING);
$license2 = filter_input(INPUT_POST, 'license2', FILTER_SANITIZE_STRING);
$license3 = filter_input(INPUT_POST, 'license3', FILTER_SANITIZE_STRING);
$license4 = filter_input(INPUT_POST, 'license4', FILTER_SANITIZE_STRING);
$license5 = filter_input(INPUT_POST, 'license5', FILTER_SANITIZE_STRING);
$dist1 = filter_input(INPUT_POST, 'dist1', FILTER_SANITIZE_STRING);
$dist2 = filter_input(INPUT_POST, 'dist2', FILTER_SANITIZE_STRING);
$dist3 = filter_input(INPUT_POST, 'dist3', FILTER_SANITIZE_STRING);
$dist4 = filter_input(INPUT_POST, 'dist4', FILTER_SANITIZE_STRING);
$dist5 = filter_input(INPUT_POST, 'dist5', FILTER_SANITIZE_STRING);
echo $general;
if ($bhv == ""){
    $bhv = "";
} else
{
    $whereClause = $whereClause . "bhv = " . $bhv . " AND ";
}
if ($mrc == ""){
    $mrc = "";
}else
{
    $whereClause = $whereClause . "mrc = " . $mrc . " AND ";
}
if ($general == ""){
    $general = "";
}else
{
    $whereClause = $whereClause . "general = " . $general . " AND ";
}
if ($evv == ""){
    $evv = "";
}else
{
    $whereClause = $whereClause . "evv = " . $evv . " AND ";
}
if ($allCounties == ""){
    $allCounties = "";
}else
{
    $whereClause = $whereClause . "allCounties = " . $allCounties . " AND ";
}
if ($fillmore == ""){
    $fillmore = "";
}else
{
    $whereClause = $whereClause . "fillmore = " . $fillmore . " AND ";
}
if ($johnson == ""){
    $johnson = "";
}else
{
    $whereClause = $whereClause . "johnson = " . $johnson . " AND ";
}
if ($otoe == ""){
    $otoe = "";
}else
{
    $whereClause = $whereClause . "otoe = " . $otoe . " AND ";
}
if ($richardson == ""){
    $richardson = "";
}else
{
    $whereClause = $whereClause . "richardson = " . $richardson . " AND ";
}
if ($seward == ""){
    $seward = "";
}else
{
    $whereClause = $whereClause . "seward = " . $seward . " AND ";
}
if ($butler == ""){
    $butler = "";
}else
{
    $whereClause = $whereClause . "butler = " . $butler . " AND ";
}
if ($gage == ""){
    $gage = "";
}else
{
    $whereClause = $whereClause . "gage = " . $gage . " AND ";
}
if ($lancaster == ""){
    $lancaster = "";
}else
{
    $whereClause = $whereClause . "lancaster = " . $lancaster . " AND ";
}
if ($pawnee == ""){
    $pawnee = "";
}else
{
    $whereClause = $whereClause . "pawnee = " . $pawnee . " AND ";
}
if ($saline == ""){
    $saline = "";
}else
{
    $whereClause = $whereClause . "saline = " . $saline . " AND ";
}
if ($thayer == ""){
    $thayer = "";
}else
{
    $whereClause = $whereClause . "thayer = " . $thayer . " AND ";
}
if ($cass == ""){
    $cass = "";
}else
{
    $whereClause = $whereClause . "cass = " . $cass . " AND ";
}
if ($jefferson == ""){
    $jefferson = "";
}else
{
    $whereClause = $whereClause . "jefferson = " . $jefferson . " AND ";
}
if ($nemaha == ""){
    $nemaha = "";
}else
{
    $whereClause = $whereClause . "nemaha = " . $nemaha . " AND ";
}
if ($polk == ""){
    $polk = "";
}else
{
    $whereClause = $whereClause . "polk = " . $polk . " AND ";
}
if ($saunders == ""){
    $saunders = "";
}else
{
    $whereClause = $whereClause . "saunders = " . $saunders . " AND ";
}
if ($york == ""){
    $york = "";
}else
{
    $whereClause = $whereClause . "york = " . $york . " AND ";
}
if ($aro == ""){
    $aro = "";
}else
{
    $whereClause = $whereClause . "aro = " . $aro . " AND ";
}
if ($clergy == ""){
    $clergy = "";
}else
{
    $whereClause = $whereClause . "clergy = " . $clergy . " AND ";
}
if ($intskills == ""){
    $intskills = "";
}else
{
    $whereClause = $whereClause . "intskills = " . $intskills . " AND ";
}
if ($child == ""){
    $child = "";
}else
{
    $whereClause = $whereClause . "child = " . $child . " AND ";
}
if ($bus == ""){
    $bus = "";
}else
{
    $whereClause = $whereClause . "bus = " . $bus . " AND ";
}
if ($law == ""){
    $law = "";
}else
{
    $whereClause = $whereClause . "law = " . $law . " AND ";
}
if ($cpr == ""){
    $cpr = "";
}else
{
    $whereClause = $whereClause . "cpr = " . $cpr . " AND ";
}
if ($data == ""){
    $data = "";
}else
{
    $whereClause = $whereClause . "data = " . $data . " AND ";
}
if ($security == ""){
    $security = "";
}else
{
    $whereClause = $whereClause . "security = " . $security . " AND ";
}
if ($emergency == ""){
    $emergency = "";
}else
{
    $whereClause = $whereClause . "emergency = " . $emergency . " AND ";
}
if ($computer == ""){
    $computer = "";
}else
{
    $whereClause = $whereClause . "computer = " . $computer . " AND ";
}
if ($mechanical == ""){
    $mechanical = "";
}else
{
    $whereClause = $whereClause . "mechanical = " . $mechanical . " AND ";
}
if ($administration == ""){
    $administration = "";
}else
{
    $whereClause = $whereClause . "administration = " . $administration . " AND ";
}
if ($firstaid == ""){
    $firstaid = "";
}else
{
    $whereClause = $whereClause . "firstaid = " . $firstaid . " AND ";
}
if ($faid == ""){
    $faid = "";
}else
{
    $whereClause = $whereClause . "faid = " . $faid . " AND ";
}
if ($translation == ""){
    $translation = "";
}else
{
    $whereClause = $whereClause . "translation = " . $translation . " AND ";
}
if ($construction == ""){
    $construction = "";
}else
{
    $whereClause = $whereClause . "construction = " . $construction . " AND ";
}
if ($basicclean == ""){
    $basicclean = "";
}else
{
    $whereClause = $whereClause . "basicclean = " . $basicclean . " AND ";
}
if ($foodprep == ""){
    $foodprep = "";
}else
{
    $whereClause = $whereClause . "foodprep = " . $foodprep . " AND ";
}
if ($animalcare == ""){
    $animalcare = "";
}else
{
    $whereClause = $whereClause . "aniamalcare = " . $animalcare . " AND ";
}
if ($heavy == ""){
    $heavy = "";
}else
{
    $whereClause = $whereClause . "heavy = " . $heavy . " AND ";
}
if ($county1 == ""){
    $error = "Must select at least 1 Residential County.";
} elseif ($count2 == ""){
    $whereClause = $whereClause . "county = " . $county1 . " AND ";
} elseif ($county3 == "") {
    $whereClause = $whereClause . "county = " . $county1 . " OR county = " . $county2 . " AND ";
} elseif ($county4 == ""){
    $whereClause = $whereClause . "county = " . $county1 . " OR county = " . $county2 . " OR county = " . $county3 . " AND ";
} elseif ($county5 == ""){
    $whereClause = $whereClause . "county = " . $county1 . " OR county = " . $county2 . " OR county = " . $county3 . "OR county = " . $count4 . " AND ";
} elseif ($county6 == ""){
    $whereClause = $whereClause . "county = " . $county1 . " OR county = " . $county2 . " OR county = " . $county3 . "OR county = " . $count4 . " OR county = " . $county5 . " AND ";
} else {
   $whereClause = $whereClause . "county = " . $county1 . " OR county = " . $county2 . " OR county = " . $county3 . "OR county = " . $count4 . " OR county = " . $county5 . " OR county = " . $county6 . " AND ";
}
if ($license1 != "" ){
    $whereClause = $whereClause . "license1 = " . $license1 . " AND ";
}
if ($license2 != "" ){
    $whereClause = $whereClause . "license2 = " . $license2 . " AND ";
}
if ($license3 != "" ){
    $whereClause = $whereClause . "license3 = " . $license3 . " AND ";
}
if ($license4 != "" ){
    $whereClause = $whereClause . "license4 = " . $license4 . " AND ";
}
if ($license5 != "" ){
    $whereClause = $whereClause . "license5 = " . $license5 . " AND ";
}
if ($dist1 != "" ){
    $whereClause = $whereClause . "dist1 = " . $dist1 . " AND ";
}if ($dist2 != "" ){
    $whereClause = $whereClause . "dist2 = " . $dist2 . " AND ";
}if ($dist3 != "" ){
    $whereClause = $whereClause . "dist3 = " . $dist3 . " AND ";
}
if ($dist4 != "" ){
    $whereClause = $whereClause . "dist4 = " . $dist4 . " AND ";
}
if ($dist5 != "" ){
    $whereClause = $whereClause . "dist5 = " . $dist5 . " AND ";
}

$db = new PDO('mysql:host=localhost;dbname=petrzilk_test;charset=utf8', 'petrzilk_dbAdmin', 'XXXXXXXXXX'); // Connecting to Database
   $db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); // Error statement
   $db->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);

   $query = $db->prepare("SELECT * FROM VolunDB " . $whereClause . " 1 = 1");
   $query->execute();
   $result = $query->fetch(PDO::FETCH_OBJ);
   $table = $result->fname . " " . $result->lname;
   echo $table  ;
   echo $whereClause;
   echo $general;

?>