Request token retrieval failed:

RESPONSE:

Array
(
    [linkedin] => Array
        (
        )

    [info] => Array
        (
            [url] => https://api.linkedin.com/uas/oauth/requestToken
            [content_type] => 
            [http_code] => 0
            [header_size] => 0
            [request_size] => 0
            [filetime] => -1
            [ssl_verify_result] => 0
            [redirect_count] => 0
            [total_time] => 0.043184
            [namelookup_time] => 0.033891
            [connect_time] => 0.04319
            [pretransfer_time] => 8.6E-5
            [size_upload] => 0
            [size_download] => 0
            [speed_download] => 0
            [speed_upload] => 0
            [download_content_length] => -1
            [upload_content_length] => -1
            [starttransfer_time] => 0
            [redirect_time] => 0
        )

    [oauth] => Array
        (
            [header] => Authorization: OAuth realm="http%3A%2F%2Fapi.linkedin.com",oauth_version="1.0",oauth_nonce="efcd58cbf7b8619f202193ce2686c013",oauth_timestamp="1531693972",oauth_consumer_key="C5JBlDow87bxJkRoEWyLEV7lmS7G82J1aba8P9tZ98-yG3ZYDbhDGa3pjL71I2T1",oauth_callback="http%3A%2F%2Fwww.doorbreekdecirkel.nl%2Flid%2Flinkedin%2F%3FlType%3Dinitiate%26lResponse%3D1",oauth_signature_method="HMAC-SHA1",oauth_signature="qh64IFwci01Pw3VbqxfogvbiaD0%3D"
            [string] => POST&https%3A%2F%2Fapi.linkedin.com%2Fuas%2Foauth%2FrequestToken&oauth_callback%3Dhttp%253A%252F%252Fwww.doorbreekdecirkel.nl%252Flid%252Flinkedin%252F%253FlType%253Dinitiate%2526lResponse%253D1%26oauth_consumer_key%3DC5JBlDow87bxJkRoEWyLEV7lmS7G82J1aba8P9tZ98-yG3ZYDbhDGa3pjL71I2T1%26oauth_nonce%3Defcd58cbf7b8619f202193ce2686c013%26oauth_signature_method%3DHMAC-SHA1%26oauth_timestamp%3D1531693972%26oauth_version%3D1.0
        )

    [error] => OAuth callback url was not confirmed by the LinkedIn end-point
    [success] => 
)


LINKEDIN OBJ:

LinkedIn Object
(
    [callback:protected] => http://www.doorbreekdecirkel.nl/lid/linkedin/?lType=initiate&lResponse=1
    [token_access:protected] => 
    [token_request:protected] => 
    [application_key:protected] => C5JBlDow87bxJkRoEWyLEV7lmS7G82J1aba8P9tZ98-yG3ZYDbhDGa3pjL71I2T1
    [application_secret:protected] => hq7FMtuma80-9-CSKXWbzXYEybltGuSQ7Xb6iS9VGbxDYAqLKYiMZ5E_xcCBe4gk
    [response_format:protected] => xml
)
Doorbreek de cirkel
doorbreekdecirkel
doorbreekdecirkel header