keep value selected after submit in PHP -


my php code similar below. if select option , submit, value selected disappears. how can make selected value appear on dropdown after submit also?

     <select name = "org">       <?php       $query = "select org txtable group org";       $result = mssql_query ($query);       while ($record = mssql_fetch_array ($result))       {       echo "<option value = '".$record[0]."'>". $record[0]. "</option>";       }       ?>      </select>

note: searched similar questions none of them helped me.

 <select name = "org">   <?php   $query = "select org txtable group org";   $result = mssql_query ($query);   while ($record = mssql_fetch_array ($result))   {     if($_post['org'] == $record[0])     {         echo "<option selected value = '".$record[0]."'>". $record[0]. "</option>";     }     else     {        echo "<option value = '".$record[0]."'>". $record[0]. "</option>";     }   }   ?>  </select>

that takes previous post variable , checks see if equals value being found in sql result


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