$zendesk = new Zendesk($apiKey, $user, $subDomain, $suffix = '.json', $test = false);
$arr 	 = array("z_subject"=>"Help, my printer is on fire!",
	   "z_description"=>"help I need some help",
	   "z_recipient"=>"[email protected]",
	   "z_name"=>"REQUESTERNAME",
	   "z_requester"=>"[email protected]"
	  );
$create  = json_encode(array('ticket' => array('subject' => $arr['z_subject'], 'description' => $arr['z_description'], 'requester' => array('name' => $arr['z_name'], 'email' => $arr['z_requester']))), JSON_FORCE_OBJECT);
$data    = $zendesk->call("/tickets", $create, "POST");
var_dump($data);

print $data->ticket->id;