Online PHP editor | output for blL4I

<?php $date = gmdate('D, d M Y H:i:s \G\M\T'); $account_name = "inorbitalstorage"; //$containername = "abc"; $account_key = "Z/jyC7ZLkc1j2nm7AeNRgkgjcpG7SCPOO8Cv52ImfHCyRCfyPmlvEmNNpBOyLje5QXuwVDsf3RKre7Kws3u2aA=="; $canonicalizedHeaders = "x-ms-date:$date\nx-ms-version:2014-02-14"; $canonicalizedResource = "/$account_name/"; $arraysign = array(); $arraysign[] = 'GET'; /*HTTP Verb*/ $arraysign[] = ''; /*Content-Encoding*/ $arraysign[] = ''; /*Content-Language*/ $arraysign[] = ''; /*Content-Length (include value when zero)*/ $arraysign[] = ''; /*Content-MD5*/ $arraysign[] = ''; /*Content-Type*/ $arraysign[] = ''; /*Date*/ $arraysign[] = ''; /*If-Modified-Since */ $arraysign[] = ''; /*If-Match*/ $arraysign[] = ''; /*If-None-Match*/ $arraysign[] = ''; /*If-Unmodified-Since*/ $arraysign[] = ''; /*Range*/ $arraysign[] = $canonicalizedHeaders; /*CanonicalizedHeaders*/ $arraysign[] = $canonicalizedResource; /*CanonicalizedResource*/ $stringtosign = implode("\n", $arraysign); $signature = 'SharedKey'.' '.$account_name.':'.base64_encode(hash_hmac('sha256', $stringtosign, base64_decode($account_key), true)); $endpoint = 'https://'.$account_name.'.blob.core.windows.net'; $url = $endpoint.'/'.$containername.'?restype=container&comp=list'; $headers = [ "x-ms-date:{$date}", 'x-ms-version:2014-02-14', 'Accept:application/json;odata=nometadata', "Authorization:{$signature}" ]; echo $signature;