diff --git a/sapi/cgi/cgi_main.c b/sapi/cgi/cgi_main.c
index 3ffdc1eaf06..c36729437a5 100644
--- a/sapi/cgi/cgi_main.c
+++ b/sapi/cgi/cgi_main.c
@@ -1691,8 +1691,8 @@ static void add_response_header(sapi_header_struct *h, zval *return_value TSRMLS
 
 PHP_FUNCTION(apache_response_headers) /* {{{ */
 {
-	if (ZEND_NUM_ARGS() > 0) {
-		WRONG_PARAM_COUNT;
+	if (zend_parse_parameters_none() == FAILURE) {
+		return;
 	}
 
 	if (!&SG(sapi_headers).headers) {
diff --git a/sapi/cli/php_cli_server.c b/sapi/cli/php_cli_server.c
index a4b5049861a..105b8ae157c 100644
--- a/sapi/cli/php_cli_server.c
+++ b/sapi/cli/php_cli_server.c
@@ -133,6 +133,7 @@ typedef struct php_cli_server_request {
 	char *query_string;
 	size_t query_string_len;
 	HashTable headers;
+	HashTable headers_original_case;
 	char *content;
 	size_t content_len;
 	const char *ext;
@@ -471,6 +472,75 @@ static const char *get_mime_type(const char *ext, size_t ext_len) /* {{{ */
 	return NULL;
 } /* }}} */
 
+PHP_FUNCTION(apache_request_headers) /* {{{ */
+{
+	php_cli_server_client *client;
+	HashTable *headers;
+	char *key;
+	uint key_len;
+	char **value_pointer;
+	HashPosition pos;
+
+	if (zend_parse_parameters_none() == FAILURE) {
+		return;
+	}
+
+	client = SG(server_context);
+	headers = &client->request.headers_original_case;
+
+	array_init_size(return_value, zend_hash_num_elements(headers));
+
+	zend_hash_internal_pointer_reset_ex(headers, &pos);
+	while (zend_hash_get_current_data_ex(headers, (void **)&value_pointer, &pos) == SUCCESS) {
+		zend_hash_get_current_key_ex(headers, &key, &key_len, NULL, 0, &pos);
+		add_assoc_string_ex(return_value, key, key_len, *value_pointer, 1);
+		zend_hash_move_forward_ex(headers, &pos);
+	}
+}
+/* }}} */
+
+static void add_response_header(sapi_header_struct *h, zval *return_value TSRMLS_DC) /* {{{ */
+{
+	char *s, *p;
+	int  len;
+	ALLOCA_FLAG(use_heap)
+
+	if (h->header_len > 0) {
+		p = strchr(h->header, ':');
+		len = p - h->header;
+		if (p && (len > 0)) {
+			while (len > 0 && (h->header[len-1] == ' ' || h->header[len-1] == '\t')) {
+				len--;
+			}
+			if (len) {
+				s = do_alloca(len + 1, use_heap);
+				memcpy(s, h->header, len);
+				s[len] = 0;
+				do {
+					p++;
+				} while (*p == ' ' || *p == '\t');
+				add_assoc_stringl_ex(return_value, s, len+1, p, h->header_len - (p - h->header), 1);
+				free_alloca(s, use_heap);
+			}
+		}
+	}
+}
+/* }}} */
+
+PHP_FUNCTION(apache_response_headers) /* {{{ */
+{
+	if (zend_parse_parameters_none() == FAILURE) {
+		return;
+	}
+
+	if (!&SG(sapi_headers).headers) {
+		RETURN_FALSE;
+	}
+	array_init(return_value);
+	zend_llist_apply_with_argument(&SG(sapi_headers).headers, (llist_apply_with_arg_func_t)add_response_header, return_value TSRMLS_CC);
+}
+/* }}} */
+
 /* {{{ cli_server module
  */
 
@@ -515,9 +585,15 @@ zend_module_entry cli_server_module_entry = {
 };
 /* }}} */
 
+ZEND_BEGIN_ARG_INFO(arginfo_no_args, 0)
+ZEND_END_ARG_INFO()
+
 const zend_function_entry server_additional_functions[] = {
 	PHP_FE(cli_set_process_title,        arginfo_cli_set_process_title)
 	PHP_FE(cli_get_process_title,        arginfo_cli_get_process_title)
+	PHP_FE(apache_request_headers, arginfo_no_args)
+	PHP_FE(apache_response_headers, arginfo_no_args)
+	PHP_FALIAS(getallheaders, apache_request_headers, arginfo_no_args)
 	{NULL, NULL, NULL}
 };
 
@@ -1336,6 +1412,7 @@ static int php_cli_server_request_ctor(php_cli_server_request *req) /* {{{ */
 	req->query_string = NULL;
 	req->query_string_len = 0;
 	zend_hash_init(&req->headers, 0, NULL, (void(*)(void*))char_ptr_dtor_p, 1);
+	zend_hash_init(&req->headers_original_case, 0, NULL, NULL, 1);
 	req->content = NULL;
 	req->content_len = 0;
 	req->ext = NULL;
@@ -1361,6 +1438,7 @@ static void php_cli_server_request_dtor(php_cli_server_request *req) /* {{{ */
 		pefree(req->query_string, 1);
 	}
 	zend_hash_destroy(&req->headers);
+	zend_hash_destroy(&req->headers_original_case);
 	if (req->content) {
 		pefree(req->content, 1);
 	}
@@ -1605,6 +1683,7 @@ static int php_cli_server_client_read_request_on_header_value(php_http_parser *p
 	{
 		char *header_name = zend_str_tolower_dup(client->current_header_name, client->current_header_name_len);
 		zend_hash_add(&client->request.headers, header_name, client->current_header_name_len + 1, &value, sizeof(char *), NULL);
+		zend_hash_add(&client->request.headers_original_case, client->current_header_name, client->current_header_name_len + 1, &value, sizeof(char *), NULL);
 		efree(header_name);
 	}
 
diff --git a/sapi/cli/tests/php_cli_server_019.phpt b/sapi/cli/tests/php_cli_server_019.phpt
new file mode 100644
index 00000000000..cdad01ed64a
--- /dev/null
+++ b/sapi/cli/tests/php_cli_server_019.phpt
@@ -0,0 +1,68 @@
+--TEST--
+Implement Req #65917 (getallheaders() is not supported by the built-in web server)
+--SKIPIF--
+<?php
+include "skipif.inc";
+?>
+--FILE--
+<?php
+include "php_cli_server.inc";
+php_cli_server_start(<<<'PHP'
+header('Bar-Foo: Foo');
+var_dump(getallheaders());
+var_dump(apache_request_headers());
+var_dump(apache_response_headers());
+PHP
+);
+
+list($host, $port) = explode(':', PHP_CLI_SERVER_ADDRESS);
+$port = intval($port)?:80;
+
+$fp = fsockopen($host, $port, $errno, $errstr, 0.5);
+if (!$fp) {
+  die("connect failed");
+}
+
+if(fwrite($fp, <<<HEADER
+GET / HTTP/1.1
+Host: {$host}
+Foo-Bar: Bar
+
+
+HEADER
+)) {
+    while (!feof($fp)) {
+        echo fgets($fp);
+    }
+}
+
+fclose($fp);
+?>
+--EXPECTF--
+HTTP/1.1 200 OK
+Host: %s
+Connection: close
+X-Powered-By: %s
+Bar-Foo: Foo
+Content-type: text/html
+
+array(2) {
+  ["Host"]=>
+  string(9) "localhost"
+  ["Foo-Bar"]=>
+  string(3) "Bar"
+}
+array(2) {
+  ["Host"]=>
+  string(9) "localhost"
+  ["Foo-Bar"]=>
+  string(3) "Bar"
+}
+array(3) {
+  ["X-Powered-By"]=>
+  string(13) "P%s"
+  ["Bar-Foo"]=>
+  string(3) "Foo"
+  ["Content-type"]=>
+  string(9) "text/html"
+}