package to create dropdown list

post_install.php

<?php
require_once ('modules/ModuleBuilder/MB/ModuleBuilder.php') ;
require_once('modules/ModuleBuilder/parsers/parser.dropdown.php');
function post_install()
{
    global $app_list_strings, $current_language;
    // dropdown list definition
    $dropdownLists = array (
      array ( 
          "name" => "listName",
          "list" => array(
            "" => "",
            "one" => "One",
            "two" => "Two",
          )
      )
    );
    $_REQUEST['view_package'] = 'studio';
    foreach ($dropdownLists as $list_data) {
        $listEncode = encodeList($list_data['list']);
        $list = "[".implode(",", $listEncode)."]";
        $parserDropDown = new ParserDropDown();
        $parserDropDown->saveDropDown(array(
            'dropdown_lang' => $current_language,
            'dropdown_name' => $list_data['name'],
            'view_package' => 'studio',
            'view_module' => '',
            'list_value' => $list,
        ));
        echo "<br> List saved: " . $list_data['name'];
    }
}
function encodeList($list){
    $listEncode = array();
    foreach($list as $key => $item ){
    $listEncode[] = <<<text
["$key","$item"]
text;
     }
    return $listEncode;
}