Online PHP editor | perf for BFp5S

<?php if (substr(PHP_VERSION, 0, 5) !== '7.1.6') die('Meh'); $s["HTTP_HOST"] = "localhost"; $s["HTTP_CONNECTION"] = "keep-alive"; $s["HTTP_USER_AGENT"] = "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/536.11 (KHTML, like Gecko) Chrome/20.0.1132.57 Safari/536.11"; $s["HTTP_ACCEPT"] = "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"; $s["HTTP_REFERER"] = "http://localhost/php/super-variables/;\$s.php"; $s["HTTP_ACCEPT_ENCODING"] = "gzip,deflate,sdch"; $s["HTTP_ACCEPT_LANGUAGE"] = "en-US,en;q=0.8"; $s["HTTP_ACCEPT_CHARSET"] = "ISO-8859-1,utf-8;q=0.7,*;q=0.3"; $s["HTTP_COOKIE"] = "bsau=13422601771944046296; bsas=13422601771975238542"; $s["PATH"] = "C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem; C:\Windows\System32\WindowsPowerShell\v1.0\; c:\python32\python;"; $s["SystemRoot"] = "C:\Windows"; $s["COMSPEC"] = "C:\Windows\system32\cmd.exe"; $s["PATHEXT"] = ".COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC"; $s["WINDIR"] = "C:\Windows"; $s["SERVER_SIGNATURE"] = ""; $s["SERVER_SOFTWARE"] = "Apache/2.2.11 (Win32) PHP/5.3.0"; $s["SERVER_NAME"] = "localhost"; $s["SERVER_ADDR"] = "127.0.0.1"; $s["SERVER_PORT"] = "80"; $s["REMOTE_ADDR"] = "127.0.0.1"; $s["DOCUMENT_ROOT"] = "F:/wamp/www/"; $s["SERVER_ADMIN"] = "admin@localhost"; $s["SCRIPT_FILENAME"] = "F:/wamp/www/php/super-variables/test-;\$s.php"; $s["REMOTE_PORT"] = "51124"; $s["GATEWAY_INTERFACE"] = "CGI/1.1"; $s["SERVER_PROTOCOL"] = "HTTP/1.1"; $s["REQUEST_METHOD"] = "GET"; $s["QUERY_STRING"] = ""; $s["REQUEST_URI"] = "/php/super-variables/test-;\$s.php"; $s["SCRIPT_NAME"] = "/php/super-variables/test-;\$s.php"; $s["PHP_SELF"] = "/php/super-variables/test-;\$s.php"; $s["REQUEST_TIME"] = 1342260551; $a = microtime(1); for ($i = 20000; $i--;) { foreach ($s as $key => $val) { if ($key[0] === 'H' && substr($key, 0, 5) === 'HTTP_') { $key = substr($key, 5); } } } echo 1000 * (microtime(1) - $a) . "\n"; $a = microtime(1); for ($i = 20000; $i--;) { foreach ($s as $key => $val) { if (substr($key, 0, 5) === 'HTTP_') { $key = substr($key, 5); } } } echo 1000 * (microtime(1) - $a) . "\n";

Version	System time (s)	User time (s)	Memory (MiB)
7.3.1	0.009	0.003	16.67
7.3.0	0.000	0.010	16.61
7.2.13	0.003	0.007	16.98
7.2.12	0.009	0.003	16.64
7.2.11	0.007	0.007	16.71
7.2.10	0.006	0.003	16.42
7.2.9	0.000	0.010	16.81
7.2.8	0.004	0.007	16.88
7.2.7	0.000	0.013	16.77
7.2.6	0.007	0.007	16.70
7.2.5	0.006	0.006	16.66
7.2.4	0.000	0.014	16.67
7.2.3	0.006	0.006	16.91
7.2.2	0.006	0.009	16.82
7.2.1	0.007	0.004	16.55
7.2.0	0.002	0.012	18.03
7.1.25	0.009	0.000	15.49
7.1.7	0.000	0.007	17.13
7.1.6	0.098	0.208	33.34
7.1.5	0.077	0.013	33.11
7.1.4	0.087	0.017	32.75
7.1.3	0.120	0.007	32.56
7.1.2	0.090	0.013	32.83
7.1.1	0.063	0.013	14.82
7.1.0	0.083	0.007	14.57
7.0.20	0.080	0.010	14.70
7.0.19	0.063	0.010	14.78
7.0.18	0.063	0.003	14.61
7.0.17	0.103	0.007	14.29
7.0.16	0.153	0.013	14.41
7.0.15	0.063	0.013	14.36
7.0.14	0.067	0.013	14.60
7.0.13	0.080	0.007	14.64
7.0.12	0.063	0.007	14.89
7.0.11	0.060	0.007	14.61
7.0.10	0.097	0.010	14.38
7.0.9	0.090	0.010	14.40
7.0.8	0.057	0.013	14.43
7.0.7	0.063	0.013	14.55
7.0.6	0.057	0.007	14.42
7.0.5	0.160	0.013	14.52
7.0.4	0.067	0.003	14.80
7.0.3	0.077	0.017	14.60
7.0.2	0.063	0.010	14.52
7.0.1	0.053	0.013	14.84
7.0.0	0.067	0.003	14.84