PHP API Call

<?php 

              $url = 'https://asapp02.aaiscloud.com/AD_ASTRA_CALENDAR_NAME';

              $responderUrl = "/~api/calendar/calendarList?action=get"                      

              //Example Query to get isFeatured=1

              $responderParameter = "view=xml&fields=ActivityId,ActivityName,ParentActivityName,Description,StartDate,EndDate,StartMinute,EndMinute,ActivityTypeCode,LocationId,CampusName,BuildingCode,RoomNumber,RoomName,InstitutionId,EventMeetingByActivityId.isFeatured&sortOrder=StartDate&filter=((ActivityTypeCode%3F%3D2)%26%26(EventMeetingByActivityId.isFeatured%3F%3D1))";

$curl = curl_init(); 

curl_setopt_array($curl, array(

 CURLOPT_URL => $url . "/Logon.ashx",

 CURLOPT_RETURNTRANSFER => true,

 CURLOPT_ENCODING => "",

 CURLOPT_MAXREDIRS => 10,

 CURLOPT_TIMEOUT => 30,

 CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,

 CURLOPT_CUSTOMREQUEST => "POST",

 CURLOPT_POSTFIELDS => "{\"username\": \"test\", \"password\": \"test\"}",

 CURLOPT_HTTPHEADER => array(

   "accept: application/json",

   "cache-control: no-cache",

   "content-type: application/json"

 ),

)); 

$response = curl_exec($curl);

$err = curl_error($curl); 

curl_close($curl); 

if ($err) {

 echo "cURL Error #:" . $err;

} else {

 echo $response;

}         
              $request = curl_init();
 
              curl_setopt($request, CURLOPT_URL, $url . $responderUrl);

              curl_setopt($request, CURLOPT_SSL_VERIFYPEER, FALSE);

              curl_setopt($request, CURLOPT_RETURNTRANSFER, TRUE);

              curl_setopt($request, CURLOPT_CUSTOMREQUEST, "POST");

              curl_setopt($request, CURLOPT_HEADER, FALSE);

              curl_setopt($request, CURLOPT_COOKIEFILE, 'tmp_astra_cookie_file.txt');

              curl_setopt($request, CURLOPT_COOKIEJAR, 'tmp_astra_cookie_file.txt');

              curl_setopt($request, CURLOPT_POSTFIELDS, $responderParameter);          

              $result = curl_exec($request);

              curl_close($request);

              if ($result) {

                              $data = new SimpleXMLElement($result);

                              foreach ($data->Item as $entry) {

                                              echo "XML Activity Name: " . $entry->ActivityName . "<br>";

                            }

              } else {

                              echo "Secondary Request failure.<br>";

                              exit();

              } 

?>