Request token retrieval failed:

RESPONSE:

Array
(
    [linkedin] => Array
        (
            [


__400:_Content_Length_Required
__ "content-type" content="text/html; charset=UTF-8">
  






Content Length Required

Could not process this request because Content-Length was not specified. Please double-check the URL (address) you used, or contact us if you feel you have reached this page in error.

Click the [#8220;Back] => [#8221;_button_on_your_browser_or_ "//www.linkedin.com/home">go to the home page.


Are you looking for any of these LinkedIn features?

[nbsp;
] => ) [info] => Array ( [url] => https://api.linkedin.com/uas/oauth/requestToken [content_type] => text/html [http_code] => 411 [header_size] => 275 [request_size] => 524 [filetime] => -1 [ssl_verify_result] => 0 [redirect_count] => 0 [total_time] => 0.257806 [namelookup_time] => 0.000549 [connect_time] => 0.062039 [pretransfer_time] => 0.194794 [size_upload] => 0 [size_download] => 5569 [speed_download] => 21669 [speed_upload] => 0 [download_content_length] => 5569 [upload_content_length] => -1 [starttransfer_time] => 0.257751 [redirect_time] => 0 [redirect_url] => [primary_ip] => 144.2.15.4 [certinfo] => Array ( ) [primary_port] => 443 [local_ip] => 172.31.7.73 [local_port] => 55736 ) [oauth] => Array ( [header] => Authorization: OAuth realm="http%3A%2F%2Fapi.linkedin.com",oauth_version="1.0",oauth_nonce="53e4fbe969172569c5dfb2b6d6f0e748",oauth_timestamp="1603346719",oauth_consumer_key="4OLkabtux-26UgkjPCt1SuxCtmL7Ifn1g1dkKe0TQViGRS3DO_q3SuvtVjaB0_oy",oauth_callback="https%3A%2F%2Fsecure.creativecow.net%2Flinkedin%2FloginReturn",oauth_signature_method="HMAC-SHA1",oauth_signature="uepSP34b7PGwxz0XTq1NLDxL1oY%3D" [string] => POST&https%3A%2F%2Fapi.linkedin.com%2Fuas%2Foauth%2FrequestToken&oauth_callback%3Dhttps%253A%252F%252Fsecure.creativecow.net%252Flinkedin%252FloginReturn%26oauth_consumer_key%3D4OLkabtux-26UgkjPCt1SuxCtmL7Ifn1g1dkKe0TQViGRS3DO_q3SuvtVjaB0_oy%26oauth_nonce%3D53e4fbe969172569c5dfb2b6d6f0e748%26oauth_signature_method%3DHMAC-SHA1%26oauth_timestamp%3D1603346719%26oauth_version%3D1.0 ) [error] => OAuth callback url was not confirmed by the LinkedIn end-point [success] => )


LINKEDIN OBJ:

COW_Linkedin Object
(
    [callback:protected] => https://secure.creativecow.net/linkedin/loginReturn
    [token_access:protected] => 
    [token_request:protected] => 
    [application_key:protected] => 4OLkabtux-26UgkjPCt1SuxCtmL7Ifn1g1dkKe0TQViGRS3DO_q3SuvtVjaB0_oy
    [application_secret:protected] => UjMChlyIuJHIoniEFRAfnsrm52ITgH3uEKXiJXgE_q_66ehvmLbEX3EUZ75Uy18z
    [response_format:protected] => xml
)

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