Online PHP editor | perf for R1KAR

<?php $date = gmdate('D, d M Y H:i:s \G\M\T'); $account_name = "xyz"; $containername = "abc"; $account_key = "asdf"; $canonicalizedHeaders = "x-ms-date:$date\nx-ms-version:2014-02-14"; $canonicalizedResource = "/$account_name/$containername\ncomp:list\nrestype:container"; $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:{$signature}" ]; foreach($key in $headers){ echo $key; }

Version	System time (s)	User time (s)	Memory (MiB)
7.1.7	0.003	0.014	16.91
7.1.6	0.024	0.013	34.96
7.1.5	0.024	0.006	34.86
7.1.4	0.021	0.009	34.30
7.1.3	0.026	0.006	34.36
7.1.2	0.018	0.017	34.50
7.1.1	0.008	0.013	16.11
7.1.0	0.014	0.007	16.30
7.0.20	0.008	0.008	16.64
7.0.19	0.004	0.011	16.67
7.0.18	0.003	0.011	16.12
7.0.17	0.000	0.015	15.98
7.0.16	0.005	0.013	16.29
7.0.15	0.006	0.014	15.98
7.0.14	0.000	0.021	16.08
7.0.13	0.010	0.011	16.07
7.0.12	0.014	0.007	16.35
7.0.11	0.007	0.014	16.02
7.0.10	0.003	0.017	16.02
7.0.9	0.012	0.006	16.19
7.0.8	0.015	0.006	16.09
7.0.7	0.046	0.012	14.50
7.0.6	0.008	0.011	15.70
7.0.5	0.010	0.010	16.41
7.0.4	0.006	0.013	16.20
7.0.3	0.006	0.014	16.48
7.0.2	0.008	0.013	16.29
7.0.1	0.006	0.012	16.14
7.0.0	0.010	0.011	16.30