Form Validation Issues

["kvigor" <k3cheese@xxxxxxxxxxxxx>]

Hi,

I have an issue with a particular if statement when I check 3 form fields 
for their value.  The problem is no matter what input is entered in the 
fields the output is the same.  I only added the 3 fields in question of the 
form to reduce heartache for the readers of this post.

Output always reads:
Please correct the following "State" fields.  Example: Enter state as 
Illinois or IL not ILLINOIS.
Consumer State

School State

Store State

The code is:
<?php
$label_array = array ("conName" => "Consumer Name",
     "conAddress" => "Consumer Address",
     "conCity" => "Consumer City",
     "conState" => "Consumer State",
     "conZip" => "Consumer Zip Code",
     "conPhone" => "Consumer Phone",
     "schName" => "School Name",
     "schAddress" => "School Address",
     "schCity" => "School City",
     "schState" => "School State",
     "schZip"  => "School Zip Code",
     "strName" => "Store Name",
     "strCity" => "Store City",
     "strState" => "Store State");

//check data fields for correct data
foreach($_POST as $field => $value)
{
    if($field == "conState" || $field == "schState" || $field == "strState") 
//if these 3 fields are entered
   {
   if($value != 'Alabama' || $value!= 'AL' || $value != 'Alaska' || $value!= 
'AK' || $value != 'Arizona' || $value!= 'AZ' || $value != 'Arkansas' || 
$value!= 'AR' || $value != 'California' || $value!= 'CA' || $value != 
'Colorado' || $value!= 'CO' || $value != 'Conneticut' || $value!= 'CT' || 
$value != 'Delaware' || $value!= 'DE' || $value != 'Florida' || $value!= 
'FL' || $value != 'Georgia' || $value!=  'GA' || $value != 'Hawaii' || 
$value!=   'HI' || $value != 'Idaho' || $value!= 'ID' || $value != 
'Illinois' ||  $value!= 'IL' || $value != 'Inidiana' || $value!= 'IN' || 
$value != 'Iowa' || $value!= 'IA' || $value != 'Kansas' || $value!= 'KS' || 
$value != 'Kentucky' || $value!= 'KY' || $value != 'Louisiana' || $value!= 
'LA' || $value != 'Maine' || $value!= 'ME' || $value != 'Maryland' || 
$value!= 'MD' || $value != 'Massachusetts' || $value!= 'MA' || $value != 
'Michigan' || $value!= 'MI' || $value != 'Minnesota' || $value!= 'MN' || 
$value != 'Mississippi' || $value!= 'MS' || $value != 'Missouri' || $value!= 
'MO' || $value != 'Montana' || $value!= 'MT' || $value != 'Nebraska' || 
$value!= 'NE' || $value != 'Nevada' || $value!= 'NV' || $value != 'New 
Hampshire' || $value!= 'NH' || $value != 'New Jersey' || $value!= 'NJ' || 
$value != 'New Mexico' || $value!= 'NM' || $value != 'New York' || $value!= 
'NY' || $value != 'North Carolina' || $value!= 'NC' || $value != 'North 
Dakota' || $value!= 'ND' || $value != 'Ohio' || $value!= 'OH' || $value != 
'Oklahoma' || $value!= 'OK' || $value != 'Oregon' || $value!= 'OR' || $value 
!= 'Pennsylvania' || $value!= 'PA' || $value != 'Rhode Island' || $value!= 
'RI' || $value != 'South Carolina' || $value!= 'SC' || $value != 'South 
Dakota' || $value!= 'SD' || $value != 'Tennesee' || $value!= 'TN' || $value 
!= 'Texas' || $value!= 'TX' || $value != 'Utah' || $value!= 'UT' || $value 
!= 'Vermont' || $value!= 'VT' || $value != 'Virginia' || $value!= 'VA' || 
$value != 'Washington' || $value!= 'WA' || $value != 'West Virginia' 
||$value!= 'WV' || $value != 'Wisconsin' || $value!= 'WI' || $value != 
'Wyoming' || $value!= 'WY') //if they don't the match these

         {
           $state[$field] = "badstate"; //then
         }
  }//end check
}

 if(@sizeof($state) > 0)  //check size of array and display error message
 {
     echo "<div class='ermess1'><br />Please correct the following \"State\" 
fields.&nbsp;&nbsp;Example: Enter state as Illinois or IL not 
ILLINOIS.</div>";

  foreach($state as $field => $value) // display the fields where input is 
incorrect
  {
   echo "&nbsp;&nbsp;<div>{$label_array[$field]}</div>";
  }
 }

echo " <link href='css/SOS.css' rel='stylesheet' type='text/css' />
  <form id='process' method='post' action='form.php'>
     <label for='conState' class='stateLabel'> *State:</label>
  <input name='conState' type='text'  class='state' id='textfield' 
value='{$_POST['conState']}' />


        <label for='schState' class='stateLabel'>*State:</label>
  <input name='schState' type='text' class='state' id='textfield' 
value='{$_POST['schState']}'/>

        <label for='strStat' class='stateLabel'>*State:</label>
  <input name='strState' type='text' class='state'  id='textfield' 
value='{$_POST['strState']}' />
       <br />
       <br />
       <br />
     <label for='Reset'></label>
  <input type='reset' name='reset' value='Reset' id='Submit'/>

     <label for='Sumbit'></label>
  <input type='submit' name='submit' value='Submit' id='Reset'/>
  </form>"; ?>

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