php - array_combine returning one result only -

i trying output values of array drop down menu.

i using pear php data.

if concatenate strings data there, values not set accordingly.

i tried use array_combine set keys values in drop down. works, 1 result returned (when should 3). concatenation 3 results shown wrongs keys set though.

do_common::debuglevel(1); $stdo = do_common::factory('softwaretypes'); $lmdo = do_common::factory('licensemethods'); $tdo = do_common::factory('sldsoftwaretype');  //             $stdo->selectadd(); $stdo->selectadd('title, method, sldsoftwaretype.type, softwaretypes.id'); $stdo->joinadd($lmdo); $stdo->joinadd($tdo); $stdo->whereadd("softwaretypes.flag <> 1");   $stdo->find();  $lmst[] = null; $keys = null; $arr = null;  while ($stdo->fetch())   {     $keys = $stdo->id . " | " ;     $text = $stdo->title . " | " . $stdo->method . " | " .$stdo->type;       $arr = array($keys =>  $text);       $lmst = $arr;   } 

why array_combine returning 1 value?

dropdown creation code (using html quickforms):

$ddlsoftwaretype = $form->addelement('select', 'ddlsoftwaretype', 'software type', $lmst, array('id' => "softwaretypelist", 'orderby' => "type", "onchange" => "getdetails();"));

expected output (should value key, , 3 columns combined string):

dropdown item:(id value) title | method | type

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dropdown item2:(id value) title | method | type

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expected (with more items in dropdown - same shown in table):

current output:

i have tried array_combine before, same results.

use array_push($lmst, $arr); instead of $lmst = $arr;