--- /dev/null
+--TEST--
+env reset
+--SKIPIF--
+<?php include "skipif.inc"; ?>
+--POST--
+a=b
+--ENV--
+HTTP_HOST=foo.bar
+HTTP_ACCEPT=*/*
+--FILE--
+<?php
+
+var_dump(http\Env::getRequestHeader("nono"));
+var_dump(http\Env::getRequestHeader("Host"));
+var_dump(http\Env::getRequestHeader("content-type"));
+$hdr = http\Env::getRequestHeader();
+ksort($hdr);
+var_dump($hdr);
+
+$_SERVER["HTTP_NONO"] = "yesyes";
+unset($_SERVER["HTTP_HOST"]);
+
+var_dump(http\Env::getRequestHeader("nono"));
+var_dump(http\Env::getRequestHeader("Host"));
+
+http\Env::reset();
+
+var_dump(http\Env::getRequestHeader("nono"));
+var_dump(http\Env::getRequestHeader("Host"));
+var_dump(http\Env::getRequestHeader("content-type"));
+$hdr = http\Env::getRequestHeader();
+ksort($hdr);
+var_dump($hdr);
+?>
+==DONE==
+--EXPECTF--
+NULL
+string(%d) "foo.bar"
+string(%d) "application/x-www-form-urlencoded"
+array(4) {
+ ["Accept"]=>
+ string(3) "*/*"
+ ["Content-Length"]=>
+ string(1) "3"
+ ["Content-Type"]=>
+ string(33) "application/x-www-form-urlencoded"
+ ["Host"]=>
+ string(7) "foo.bar"
+}
+NULL
+string(%d) "foo.bar"
+string(%d) "yesyes"
+NULL
+string(%d) "application/x-www-form-urlencoded"
+array(4) {
+ ["Accept"]=>
+ string(3) "*/*"
+ ["Content-Length"]=>
+ string(1) "3"
+ ["Content-Type"]=>
+ string(33) "application/x-www-form-urlencoded"
+ ["Nono"]=>
+ string(6) "yesyes"
+}
+==DONE==