<?php
    
# Cпособ отправления JSON-запроса c OAuth-авторизацией
# PHP 4 >= 4.3.0, PHP 5
 
 
# логин в Директе 
$login = 'блаблабла';


# метод API 
$method = 'GetSummaryStat';

 
# входные данные 
$params = array(
   'CampaignIDS' => array(10755582),
   'StartDate' => '2014-12-12',
   'EndDate' => '2014-12-15'
);
 
# ============================================================
 
# перекодировка строковых данных в UTF-8
function utf8($struct) {
    foreach ($struct as $key => $value) {
        if (is_array($value)) {
            $struct[$key] = utf8($value);
        }
        elseif (is_string($value)) {
            $struct[$key] = utf8_encode($value);
        }
    }
    return $struct;
}
  
# формирование запроса    
$request = array(
    'token'=> 'блаблабла', 
    'method'=> $method,
    'param'=> utf8($params),
    'locale'=> 'ru',
);
 
 
# преобразование в JSON-формат
$request = json_encode($request);

 
# параметры запроса
$opts = array(
    'http'=>array(
        'method'=>"POST",
        'content'=>$request,
    )
); 

 
# создание контекста потока
$context = stream_context_create($opts); 
 
 
# отправляем запрос и получаем ответ от сервера
$result = file_get_contents('https://api.direct.yandex.ru/v4/json/', 0, $context);

$result_php = json_decode($result);

 
# вывод результата
print_r($result_php);

    
?>

stdClass Object ( [data] => Array ( [0] => stdClass Object ( [ClicksSearch] => 5 [SumSearch] => 7.64 [SessionDepthSearch] => [SessionDepthContext] => [ClicksContext] => 0 [GoalCostContext] => [GoalCostSearch] => [GoalConversionSearch] => [SumContext] => 0 [GoalConversionContext] => [StatDate] => 2014-12-12 [ShowsSearch] => 56 [CampaignID] => 10755582 [ShowsContext] => 0 ) [1] => stdClass Object ( [ClicksSearch] => 6 [SumSearch] => 5.55 [SessionDepthSearch] => [SessionDepthContext] => [ClicksContext] => 0 [GoalCostContext] => [GoalCostSearch] => [GoalConversionSearch] => [SumContext] => 0 [GoalConversionContext] => [StatDate] => 2014-12-13 [ShowsSearch] => 84 [CampaignID] => 10755582 [ShowsContext] => 0 ) [2] => stdClass Object ( [ClicksSearch] => 2 [SumSearch] => 1.65 [SessionDepthSearch] => [SessionDepthContext] => [ClicksContext] => 0 [GoalCostContext] => [GoalCostSearch] => [GoalConversionSearch] => [SumContext] => 0 [GoalConversionContext] => [StatDate] => 2014-12-14 [ShowsSearch] => 19 [CampaignID] => 10755582 [ShowsContext] => 0 ) [3] => stdClass Object ( [ClicksSearch] => 0 [SumSearch] => 0 [SessionDepthSearch] => [SessionDepthContext] => [ClicksContext] => 0 [GoalCostContext] => [GoalCostSearch] => [GoalConversionSearch] => [SumContext] => 0 [GoalConversionContext] => [StatDate] => 2014-12-15 [ShowsSearch] => 14 [CampaignID] => 10755582 [ShowsContext] => 0 ) ) )