сли вы из этого объекта так и не увидели, в чём суть, то мне вас жаль. Подучите основы...
["UNIQUE_ID"]=> string(24) "WfGqBcCoAeIAAAGkI40AAAA8"
["HTTP_HOST"]=> string(14) "localhost:8888"
["HTTP_USER_AGENT"]=> string(77) "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:56.0) Gecko/20100101 Firefox/56.0"
["HTTP_ACCEPT"]=> string(33) "application/json, text/plain, */*"
["HTTP_ACCEPT_LANGUAGE"]=> string(35) "ru-RU,ru;q=0.8,en-US;q=0.5,en;q=0.3"
["HTTP_ACCEPT_ENCODING"]=> string(13) "gzip, deflate"
["HTTP_REFERER"]=> string(27) "localhost:8888/dist"
["CONTENT_TYPE"]=> string(16) "application/json"
["CONTENT_LENGTH"]=> string(2) "35"
["HTTP_CONNECTION"]=> string(10) "keep-alive"
["PATH"]=> string(350) "C:\ProgramData\Oracle\Java\javapath;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\Microsoft\Web Platform Installer\;C:\Program Files (x86)\Microsoft ASP.NET\ASP.NET Web Pages\v1.0\;C:\Program Files\nodejs\;C:\Program Files (x86)\Skype\Phone\;C:\Users\Tovpinec\AppData\Roaming\npm"
["SystemRoot"]=> string(10) "C:\Windows"
["COMSPEC"]=> string(27) "C:\Windows\system32\cmd.exe"
["PATHEXT"]=> string(53) ".COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC"
["WINDIR"]=> string(10) "C:\Windows"
["SERVER_SIGNATURE"]=> string(0) ""
["SERVER_SOFTWARE"]=> string(137) "Apache/2.2.31 (Win32) DAV/2 mod_ssl/2.2.31 OpenSSL/1.0.2e mod_fcgid/2.3.9 mod_wsgi/3.4 Python/2.7.6 PHP/7.1.5 mod_perl/2.0.8 Perl/v5.16.3"
["SERVER_NAME"]=> string(9) "localhost"
["SERVER_ADDR"]=> string(9) "127.0.0.1"
["SERVER_PORT"]=> string(4) "8888"
["REMOTE_ADDR"]=> string(9) "127.0.0.1"
["DOCUMENT_ROOT"]=> string(14) "C:/MAMP/htdocs"
["SERVER_ADMIN"]=> string(18) "testemail@test.com"
["SCRIPT_FILENAME"]=> string(33) "C:/MAMP/htdocs/dist/php/login.php"
["REMOTE_PORT"]=> string(5) "49694"
["GATEWAY_INTERFACE"]=> string(7) "CGI/1.1"
["SERVER_PROTOCOL"]=> string(8) "HTTP/1.1"
["REQUEST_METHOD"]=> string(4) "POST"
["QUERY_STRING"]=> string(0) ""
["REQUEST_URI"]=> string(19) "/dist/php/login.php"
["SCRIPT_NAME"]=> string(19) "/dist/php/login.php"
["PHP_SELF"]=> string(19) "/dist/php/login.php"
["REQUEST_TIME_FLOAT"]=> float(1509009925.569)
["REQUEST_TIME"]=> int(1509009925)