How to retrieve the values from Stripe for webhook - php

Question

I am using webhook of stripe to receive some information after successful payment
but it give me error
<?php
include 'dbConfig.php'; // For Connecting the database to Store the retrieve value in SQL database
include 'init.php';
Stripe::setApiKey("sk_test_*****************");
// retrieve the request's body and parse it as JSON
$input = file_get_contents("php://input");
$event = json_decode($input);
if ($event_json->type == "charge.succeeded") {
print_r($event_json);
}
its give me this response
stdClass Object
(
[created] => 1326853478
[livemode] =>
[id] => evt_00000000000000
[type] => charge.succeeded
[object] => event
[request] =>
[pending_webhooks] => 1
[api_version] => 2017-02-14
[data] => stdClass Object
(
[object] => stdClass Object
(
[id] => ch_00000000000000
[object] => charge
[amount] => 249
[amount_refunded] => 0
[application] =>
[application_fee] =>
[balance_transaction] => txn_00000000000000
[captured] => 1
[created] => 1489056204
[currency] => usd
[customer] =>
[description] => Movie Title
[destination] =>
[dispute] =>
[failure_code] =>
[failure_message] =>
[fraud_details] => stdClass Object
(
)
[invoice] =>
[livemode] =>
[metadata] => stdClass Object
(
[order_id] => 6735
)
[on_behalf_of] =>
[order] =>
[outcome] => stdClass Object
(
[network_status] => approved_by_network
[reason] =>
[risk_level] => normal
[seller_message] => Payment complete.
[type] => authorized
)
[paid] => 1
[receipt_email] =>
[receipt_number] =>
[refunded] =>
[refunds] => stdClass Object
(
[object] => list
[data] => Array
(
)
[has_more] =>
[total_count] => 0
[url] => /v1/charges/ch_19vOjwKGQPjNjAif9fuYkcsj/refunds
)
[review] =>
[shipping] =>
[source] => stdClass Object
(
[id] => card_00000000000000
[object] => card
[address_city] => ludhiana
[address_country] => AL
[address_line1] => hn 88 st.no5
[address_line1_check] => pass
[address_line2] =>
[address_state] => skdjflsdf
[address_zip] => skfnsd
[address_zip_check] => pass
[brand] => Visa
[country] => US
[customer] =>
[cvc_check] => pass
[dynamic_last4] =>
[exp_month] => 1
[exp_year] => 2018
[funding] => credit
[last4] => 4242
[metadata] => stdClass Object
(
)
[name] => jagtarnice
[tokenization_method] =>
)
[source_transfer] =>
[statement_descriptor] =>
[status] => succeeded
[transfer_group] =>
)
)
)
and i want to store value from this response
like status, paymentdate and description
$customer_id = $event_json->data->object->customer;
$customer = Stripe_Customer::retrieve($customer_id);
$charge_id = $event_json->data->object->id;
$charge = Stripe_Charge::retrieve($charge_id);
This thing is not works