Need to pass array beyond odbc_fetch_row while statement.

We just went through a migration and I need to put in a temporary solution while we reprogram using SOAP. The issue is that I am retrieving several values from an ERP system and all of those are being passed correctly within a "while" statement. The problem is that I need to pass the whole array of values beyond the closing bracket of the while statement. Here's the code:

//Define the connection to the system.
              $odbc = odbc_connect("XXXX","XXXX","XXXX") or die;
            
              //Define the query.
              $query = "SELECT MBITNO, MBSTQT, MBREQT from LIBRARY.MITBAL where mbitno LIKE '$arr[0]%' and mbcono = 1 and mbwhlo = '300'";
            
              //Execute the query.
              $queryexe = odbc_exec($odbc, $query) or die;
            
              //Display the results from the query.
              while(odbc_fetch_row($queryexe)) {
            
               //Get the fields from a row of data in the table.
               $available = (odbc_result($queryexe, 2) - odbc_result($queryexe, 3));
               $item = odbc_result($queryexe, 1);

               //return "" . $item . ":" . $available . "|";
               
$response="" . $item . ":" . $available . "|";

echo $response;  ////////////////RESPONSE 1 - shows all records

//////////////// the bracket below determines whether all records or one record is passed.
//////////////// I need $response to have all values passed at RESPONSE 2 for the rest of the existing code to parse the values properly.
}  

echo $response;  ////////////////RESPONSE 2 - shows last record

if (strlen($response)>1)
      {
      $respArr=explode("|",$response);




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