chore: prepare release 1.1.0

* feat: enable resolve_root_symlink by default

* Update docs/config.md

Co-authored-by: Francis Lavoie <lavofr@gmail.com>

* fix init

---------

Co-authored-by: Francis Lavoie <lavofr@gmail.com>

.github/workflows/docker.yaml

@@ -19,6 +19,7 @@ on:
     - cron:  '0 4 * * *'
 env:
   IMAGE_NAME: ${{ (github.event_name == 'schedule' || (github.event_name == 'workflow_dispatch' && inputs.version) || startsWith(github.ref, 'refs/tags/')) && 'dunglas/frankenphp' || 'dunglas/frankenphp-dev' }}
+  LATEST: ${{ (github.event_name == 'schedule' || (github.event_name == 'workflow_dispatch' && inputs.version) || startsWith(github.ref, 'refs/tags/')) && '0' || '1' }}
 jobs:
   prepare:
     runs-on: ubuntu-latest
@@ -37,6 +38,8 @@ jobs:
       -
         name: Check PHP versions
         id: check
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           PHP_82_LATEST=$(skopeo inspect docker://docker.io/library/php:8.2 --override-os linux --override-arch amd64 | jq -r '.Env[] | select(test("^PHP_VERSION=")) | sub("^PHP_VERSION="; "")')
           PHP_83_LATEST=$(skopeo inspect docker://docker.io/library/php:8.3 --override-os linux --override-arch amd64 | jq -r '.Env[] | select(test("^PHP_VERSION=")) | sub("^PHP_VERSION="; "")')
@@ -45,13 +48,13 @@ jobs:
             echo php82_version="${PHP_82_LATEST//./-}"
             echo php83_version="${PHP_83_LATEST//./-}"
           } >> "${GITHUB_OUTPUT}"
- 
+
           # Check if the Docker images must be rebuilt
           if [[ "${GITHUB_EVENT_NAME}" != "schedule"  ]]; then
               echo skip=false >> "${GITHUB_OUTPUT}"
               exit 0
           fi
- 
+
           FRANKENPHP_82_LATEST=$(skopeo inspect docker://docker.io/dunglas/frankenphp:latest-php8.2 --override-os linux --override-arch amd64 | jq -r '.Env[] | select(test("^PHP_VERSION=")) | sub("^PHP_VERSION="; "")')
           FRANKENPHP_83_LATEST=$(skopeo inspect docker://docker.io/dunglas/frankenphp:latest-php8.3 --override-os linux --override-arch amd64 | jq -r '.Env[] | select(test("^PHP_VERSION=")) | sub("^PHP_VERSION="; "")')
 
@@ -59,7 +62,7 @@ jobs:
               echo skip=true >> "${GITHUB_OUTPUT}"
               exit 0
           fi
- 
+
           {
             echo ref="$(gh release view --repo dunglas/frankenphp --json tagName --jq '.tagName')"
             echo skip=false
@@ -89,7 +92,6 @@ jobs:
           SHA: ${{ github.sha }}
           VERSION: ${{ (github.ref_type == 'tag' && github.ref_name) || steps.check.outputs.ref || github.sha }}
           PHP_VERSION: ${{ steps.check.outputs.php_version }}
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
   build:
     runs-on: ubuntu-latest
     needs:
@@ -160,7 +162,7 @@ jobs:
             *.cache-from=type=gha,scope=${{ needs.prepare.outputs.ref || github.ref }}-${{ matrix.platform }}
             *.cache-from=type=gha,scope=refs/heads/main-${{ matrix.platform }}
             *.cache-to=type=gha,scope=${{ needs.prepare.outputs.ref || github.ref }}-${{ matrix.platform }},ignore-error=true
-            ${{ fromJson(needs.prepare.outputs.push) && '*.output=type=image,name=dunglas/frankenphp,push-by-digest=true,name-canonical=true,push=true' || '' }}
+            ${{ fromJson(needs.prepare.outputs.push) && format('*.output=type=image,name={0},push-by-digest=true,name-canonical=true,push=true', env.IMAGE_NAME) || '' }}
         env:
           SHA: ${{ github.sha }}
           VERSION: ${{ github.ref_type == 'tag' && github.ref_name || needs.prepare.outputs.ref || github.sha }}
@@ -229,7 +231,8 @@ jobs:
         name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
         with:
-          version: latest
+          # Temporary fix for https://github.com/docker/buildx/issues/2229
+          version: "https://github.com/docker/buildx.git#master"
       -
         name: Login to DockerHub
         uses: docker/login-action@v3
@@ -240,9 +243,10 @@ jobs:
         name: Create manifest list and push
         working-directory: /tmp/metadata
         run: |
+          set -x
           # shellcheck disable=SC2046,SC2086
           docker buildx imagetools create $(jq -cr '.target."${{ matrix.target }}-${{ matrix.variant }}".tags | map("-t " + .) | join(" ")' <<< ${METADATA}) \
-            $(printf 'dunglas/frankenphp@sha256:%s ' *)
+            $(printf "${IMAGE_NAME}@sha256:%s " *)
         env:
           METADATA: ${{ needs.prepare.outputs.metadata }}
       -

.github/workflows/static.yaml

@@ -19,6 +19,7 @@ on:
     - cron:  '0 0 * * *'
 env:
   IMAGE_NAME: ${{ (github.event_name == 'schedule' || (github.event_name == 'workflow_dispatch' && inputs.version) || startsWith(github.ref, 'refs/tags/')) && 'dunglas/frankenphp' || 'dunglas/frankenphp-dev' }}    
+  LATEST: ${{ (github.event_name == 'schedule' || (github.event_name == 'workflow_dispatch' && inputs.version) || startsWith(github.ref, 'refs/tags/')) && '0' || '1' }}
 jobs:
   prepare:
     runs-on: ubuntu-latest
@@ -113,7 +114,7 @@ jobs:
             *.cache-from=type=gha,scope=${{ needs.prepare.outputs.ref || github.ref }}-static-builder
             *.cache-from=type=gha,scope=refs/heads/main-static-builder
             *.cache-to=type=gha,scope=${{ needs.prepare.outputs.ref || github.ref }}-static-builder,ignore-error=true
-            ${{ fromJson(needs.prepare.outputs.push) && '*.output=type=image,name=dunglas/frankenphp,push-by-digest=true,name-canonical=true,push=true' || '' }}
+            ${{ fromJson(needs.prepare.outputs.push) && format('*.output=type=image,name={0},push-by-digest=true,name-canonical=true,push=true', env.IMAGE_NAME) || '' }}
         env:
           SHA: ${{ github.sha }}
           VERSION: ${{ (github.ref_type == 'tag' && github.ref_name) || needs.prepare.outputs.ref || github.sha}}
@@ -188,7 +189,7 @@ jobs:
         run: |
           # shellcheck disable=SC2046,SC2086
           docker buildx imagetools create $(jq -cr '.target."static-builder".tags | map("-t " + .) | join(" ")' <<< "${METADATA}") \
-            $(printf 'dunglas/frankenphp@sha256:%s ' *)
+            $(printf "${IMAGE_NAME}@sha256:%s " *)
         env:
           METADATA: ${{ needs.prepare.outputs.metadata }}
       -

README.md

@@ -59,6 +59,7 @@ You can also run command-line scripts with:
 * [Create **standalone**, self-executable PHP apps](https://frankenphp.dev/docs/embed/)
 * [Create static binaries](https://frankenphp.dev/docs/static/)
 * [Compile from sources](https://frankenphp.dev/docs/compile/)
+* [Laravel integration](https://frankenphp.dev/docs/laravel/)
 * [Known issues](https://frankenphp.dev/docs/known-issues/)
 * [Demo app (Symfony) and benchmarks](https://github.com/dunglas/frankenphp-demo)
 * [Go library documentation](https://pkg.go.dev/github.com/dunglas/frankenphp)

caddy/caddy.go

@@ -203,7 +203,7 @@ type FrankenPHPModule struct {
 	// SplitPath sets the substrings for splitting the URI into two parts. The first matching substring will be used to split the "path info" from the path. The first piece is suffixed with the matching substring and will be assumed as the actual resource (CGI script) name. The second piece will be set to PATH_INFO for the CGI script to use. Default: `.php`.
 	SplitPath []string `json:"split_path,omitempty"`
 	// ResolveRootSymlink enables resolving the `root` directory to its actual value by evaluating a symbolic link, if one exists.
-	ResolveRootSymlink bool `json:"resolve_root_symlink,omitempty"`
+	ResolveRootSymlink *bool `json:"resolve_root_symlink,omitempty"`
 	// Env sets an extra environment variable to the given value. Can be specified more than once for multiple environment variables.
 	Env    map[string]string `json:"env,omitempty"`
 	logger *zap.Logger
@@ -225,8 +225,9 @@ func (f *FrankenPHPModule) Provision(ctx caddy.Context) error {
 		if frankenphp.EmbeddedAppPath == "" {
 			f.Root = "{http.vars.root}"
 		} else {
+			rrs := false
 			f.Root = filepath.Join(frankenphp.EmbeddedAppPath, defaultDocumentRoot)
-			f.ResolveRootSymlink = false
+			f.ResolveRootSymlink = &rrs
 		}
 	} else {
 		if frankenphp.EmbeddedAppPath != "" && filepath.IsLocal(f.Root) {
@@ -238,6 +239,11 @@ func (f *FrankenPHPModule) Provision(ctx caddy.Context) error {
 		f.SplitPath = []string{".php"}
 	}
 
+	if f.ResolveRootSymlink == nil {
+		rrs := true
+		f.ResolveRootSymlink = &rrs
+	}
+
 	return nil
 }
 
@@ -257,7 +263,7 @@ func (f FrankenPHPModule) ServeHTTP(w http.ResponseWriter, r *http.Request, _ ca
 
 	fr, err := frankenphp.NewRequestWithContext(
 		r,
-		frankenphp.WithRequestDocumentRoot(documentRoot, f.ResolveRootSymlink),
+		frankenphp.WithRequestDocumentRoot(documentRoot, *f.ResolveRootSymlink),
 		frankenphp.WithRequestSplitPath(f.SplitPath),
 		frankenphp.WithRequestEnv(env),
 	)
@@ -298,9 +304,18 @@ func (f *FrankenPHPModule) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
 
 			case "resolve_root_symlink":
 				if d.NextArg() {
+					if v, err := strconv.ParseBool(d.Val()); err == nil {
+						f.ResolveRootSymlink = &v
+
+						if d.NextArg() {
+							return d.ArgErr()
+						}
+					}
+
 					return d.ArgErr()
 				}
-				f.ResolveRootSymlink = true
+				rrs := true
+				f.ResolveRootSymlink = &rrs
 			}
 		}
 	}
@@ -444,7 +459,8 @@ func parsePhpServer(h httpcaddyfile.Helper) ([]httpcaddyfile.ConfigValue, error)
 		if phpsrv.Root == "" {
 			phpsrv.Root = filepath.Join(frankenphp.EmbeddedAppPath, defaultDocumentRoot)
 			fsrv.Root = phpsrv.Root
-			phpsrv.ResolveRootSymlink = false
+			rrs := false
+			phpsrv.ResolveRootSymlink = &rrs
 		} else if filepath.IsLocal(fsrv.Root) {
 			phpsrv.Root = filepath.Join(frankenphp.EmbeddedAppPath, phpsrv.Root)
 			fsrv.Root = phpsrv.Root

caddy/go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/caddyserver/caddy/v2 v2.7.6
 	github.com/caddyserver/certmagic v0.20.0
 	github.com/dunglas/caddy-cbrotli v1.0.0
-	github.com/dunglas/frankenphp v1.0.3
+	github.com/dunglas/frankenphp v1.1.0
 	github.com/dunglas/mercure/caddy v0.15.9
 	github.com/dunglas/vulcain/caddy v1.0.1
 	github.com/spf13/cobra v1.8.0

caddy/php-server.go

@@ -125,9 +125,11 @@ func cmdPHPServer(fs caddycmd.Flags) (int, error) {
 	extensions := []string{"php"}
 	tryFiles := []string{"{http.request.uri.path}", "{http.request.uri.path}/" + indexFile, indexFile}
 
+	rrs := true
 	phpHandler := FrankenPHPModule{
-		Root:      root,
-		SplitPath: extensions,
+		Root:               root,
+		SplitPath:          extensions,
+		ResolveRootSymlink: &rrs,
 	}
 
 	// route to redirect to canonical path if index PHP file

docs/config.md

@@ -6,15 +6,16 @@ In the Docker image, the `Caddyfile` is located at `/etc/caddy/Caddyfile`.
 
 You can also configure PHP using `php.ini` as usual.
 
-In the Docker image, the `php.ini` file is not present, you can create it or `COPY` manually.
-
-If you copy `php.ini` from `$PHP_INI_DIR/php.ini-production` or `$PHP_INI_DIR/php.ini-development`, you also must set the variable `variables_order = "EGPCS"`, because the default value for `variables_order` is `"EGPCS"`, but in `php.ini-production` and `php.ini-development` we have `"GPCS"`. And in this case, `worker` does not work properly.
+In the Docker image, the `php.ini` file is not present, you can create it or `COPY` manually:
 
 ```dockerfile
 FROM dunglas/frankenphp
 
-RUN cp $PHP_INI_DIR/php.ini-production $PHP_INI_DIR/php.ini; \
-    sed -i 's/variables_order = "GPCS"/variables_order = "EGPCS"/' $PHP_INI_DIR/php.ini;
+# Developement:
+RUN cp $PHP_INI_DIR/php.ini-development $PHP_INI_DIR/php.ini
+
+# Or production:
+RUN cp $PHP_INI_DIR/php.ini-production $PHP_INI_DIR/php.ini
 ```
 
 ## Caddyfile Config
@@ -122,7 +123,7 @@ The `php_server` and the `php` directives have the following options:
 php_server [<matcher>] {
 	root <directory> # Sets the root folder to the site. Default: `root` directive.
 	split_path <delim...> # Sets the substrings for splitting the URI into two parts. The first matching substring will be used to split the "path info" from the path. The first piece is suffixed with the matching substring and will be assumed as the actual resource (CGI script) name. The second piece will be set to PATH_INFO for the CGI script to use. Default: `.php`
-	resolve_root_symlink # Enables resolving the `root` directory to its actual value by evaluating a symbolic link, if one exists.
+	resolve_root_symlink false # Disables resolving the `root` directory to its actual value by evaluating a symbolic link, if one exists (enabled by default).
 	env <key> <value> # Sets an extra environment variable to the given value. Can be specified more than once for multiple environment variables.
 }
 ```

docs/docker.md

@@ -144,3 +144,18 @@ RUN adduser -D ${USER} \
 	# Caddy requires write access to /data/caddy and /config/caddy
 	RUN chown -R ${USER}:${USER} /data/caddy && chown -R ${USER}:${USER} /config/caddy
 ```
+
+## Updates
+
+The Docker images are built:
+
+* when a new release is tagged
+* daily at 4am UTC, if new versions of the official PHP images are available
+
+## Development Versions
+
+Development versions are available in the [`dunglas/frankenphp-dev`](https://hub.docker.com/repository/docker/dunglas/frankenphp-dev) Docker repository.
+A new build is triggered every time a commit is pushed to the main branch of the GitHub repository.
+
+The `latest*` tags point to the head of the `main` branch.
+Tags of the form `sha-<git-commit-hash>` are also available.

docs/laravel.md

@@ -32,10 +32,7 @@ Alternatively, you can run your Laravel projects with FrankenPHP from your local
     	# Enable compression (optional)
     	encode zstd br gzip
     	# Execute PHP files in the current directory and serve assets
-    	php_server {
-    		# Required for the public/storage/ dir
-    		resolve_root_symlink
-    	}
+    	php_server
     }
     ```
 

frankenphp.c

@@ -243,7 +243,7 @@ PHP_FUNCTION(frankenphp_finish_request) { /* {{{ */
 } /* }}} */
 
 /* {{{ Fetch all HTTP request headers */
-PHP_FUNCTION(apache_request_headers) {
+PHP_FUNCTION(frankenphp_request_headers) {
   if (zend_parse_parameters_none() == FAILURE) {
     RETURN_THROWS();
   }
@@ -261,7 +261,59 @@ PHP_FUNCTION(apache_request_headers) {
     add_assoc_stringl_ex(return_value, key.data, key.len, val.data, val.len);
   }
 
-  free(headers.r0);
+  go_apache_request_cleanup(headers.r2);
+}
+/* }}} */
+
+// add_response_header and apache_response_headers are copied from
+// https://github.com/php/php-src/blob/master/sapi/cli/php_cli_server.c
+// Copyright (c) The PHP Group
+// Licensed under The PHP License
+// Original authors: Moriyoshi Koizumi <moriyoshi@php.net> and Xinchen Hui
+// <laruence@php.net>
+static void add_response_header(sapi_header_struct *h,
+                                zval *return_value) /* {{{ */
+{
+  if (h->header_len > 0) {
+    char *s;
+    size_t len = 0;
+    ALLOCA_FLAG(use_heap)
+
+    char *p = strchr(h->header, ':');
+    if (NULL != p) {
+      len = p - h->header;
+    }
+    if (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, p,
+                             h->header_len - (p - h->header));
+        free_alloca(s, use_heap);
+      }
+    }
+  }
+}
+/* }}} */
+
+PHP_FUNCTION(frankenphp_response_headers) /* {{{ */
+{
+  if (zend_parse_parameters_none() == FAILURE) {
+    RETURN_THROWS();
+  }
+
+  array_init(return_value);
+  zend_llist_apply_with_argument(
+      &SG(sapi_headers).headers,
+      (llist_apply_with_arg_func_t)add_response_header, return_value);
 }
 /* }}} */
 
@@ -623,6 +675,11 @@ static void frankenphp_register_variables(zval *track_vars_array) {
   /* https://www.php.net/manual/en/reserved.variables.server.php */
   frankenphp_server_context *ctx = SG(server_context);
 
+  /* In CGI mode, we consider the environment to be a part of the server
+   * variables
+   */
+  php_import_environment_variables(track_vars_array);
+
   go_register_variables(ctx->current_request ? ctx->current_request
                                              : ctx->main_request,
                         track_vars_array);
@@ -784,8 +841,12 @@ static char *cli_script;
 static int cli_argc;
 static char **cli_argv;
 
-// Adapted from https://github.com/php/php-src/sapi/cli/php_cli.c (The PHP
-// Group, The PHP License)
+// CLI code is adapted from
+// https://github.com/php/php-src/blob/master/sapi/cli/php_cli.c Copyright (c)
+// The PHP Group Licensed under The PHP License Original uthors: Edin Kadribasic
+// <edink@php.net>, Marcus Boerger <helly@php.net> and Johannes Schlueter
+// <johannes@php.net> Parts based on CGI SAPI Module by Rasmus Lerdorf, Stig
+// Bakken and Zeev Suraski
 static void cli_register_file_handles(bool no_close) /* {{{ */
 {
   php_stream *s_in, *s_out, *s_err;

frankenphp.go

@@ -582,24 +582,41 @@ func go_register_variables(rh C.uintptr_t, trackVarsArray *C.zval) {
 }
 
 //export go_apache_request_headers
-func go_apache_request_headers(rh C.uintptr_t) (*C.go_string, C.size_t) {
+func go_apache_request_headers(rh C.uintptr_t) (*C.go_string, C.size_t, C.uintptr_t) {
 	r := cgo.Handle(rh).Value().(*http.Request)
 
-	rl := len(r.Header)
-	scs := unsafe.Sizeof(C.go_string{})
+	pinner := &runtime.Pinner{}
+	pinnerHandle := C.uintptr_t(cgo.NewHandle(pinner))
+
+	headers := make([]C.go_string, 0, len(r.Header)*2)
 
-	headers := (*C.go_string)(unsafe.Pointer(C.malloc(C.size_t(rl*2) * (C.size_t)(scs))))
-	header := headers
 	for field, val := range r.Header {
-		*header = C.go_string{C.size_t(len(field)), (*C.char)(unsafe.Pointer(unsafe.StringData(field)))}
-		header = (*C.go_string)(unsafe.Add(unsafe.Pointer(header), scs))
+		fd := unsafe.StringData(field)
+		pinner.Pin(fd)
 
 		cv := strings.Join(val, ", ")
-		*header = C.go_string{C.size_t(len(cv)), (*C.char)(unsafe.Pointer(unsafe.StringData(cv)))}
-		header = (*C.go_string)(unsafe.Add(unsafe.Pointer(header), scs))
+		vd := unsafe.StringData(cv)
+		pinner.Pin(vd)
+
+		headers = append(
+			headers,
+			C.go_string{C.size_t(len(field)), (*C.char)(unsafe.Pointer(fd))},
+			C.go_string{C.size_t(len(cv)), (*C.char)(unsafe.Pointer(vd))},
+		)
 	}
 
-	return headers, C.size_t(rl)
+	sd := unsafe.SliceData(headers)
+	pinner.Pin(sd)
+
+	return sd, C.size_t(len(r.Header)), pinnerHandle
+}
+
+//export go_apache_request_cleanup
+func go_apache_request_cleanup(rh C.uintptr_t) {
+	h := cgo.Handle(rh)
+	p := h.Value().(*runtime.Pinner)
+	p.Unpin()
+	h.Delete()
 }
 
 func addHeader(fc *FrankenPHPContext, cString *C.char, length C.int) {

frankenphp.stub.php

@@ -13,9 +13,22 @@ function frankenphp_finish_request(): bool {}
  */
 function fastcgi_finish_request(): bool {}
 
+function frankenphp_request_headers(): array {}
+
+/**
+ * @alias frankenphp_request_headers
+ */
 function apache_request_headers(): array {}
 
 /**
- * @alias apache_request_headers
+ * @alias frankenphp_response_headers
 */
 function getallheaders(): array {}
+
+function frankenphp_response_headers(): array|bool {}
+
+/**
+ * @alias frankenphp_response_headers
+ */
+function apache_response_headers(): array|bool {}
+

frankenphp_arginfo.h

@@ -1,5 +1,5 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: f925a1c280fb955eb32d0823cbd4f360b0cbabed */
+ * Stub hash: 467f1406e17d3b8ca67bba5ea367194e60d8dd27 */
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_frankenphp_handle_request, 0, 1,
                                         _IS_BOOL, 0)
@@ -16,16 +16,25 @@ ZEND_END_ARG_INFO()
 
 #define arginfo_fastcgi_finish_request arginfo_frankenphp_finish_request
 
-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_apache_request_headers, 0, 0,
-                                        IS_ARRAY, 0)
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_frankenphp_request_headers, 0,
+                                        0, IS_ARRAY, 0)
 ZEND_END_ARG_INFO()
 
-#define arginfo_getallheaders arginfo_apache_request_headers
+#define arginfo_apache_request_headers arginfo_frankenphp_request_headers
+
+#define arginfo_getallheaders arginfo_frankenphp_request_headers
+
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_frankenphp_response_headers, 0,
+                                        0, MAY_BE_ARRAY | MAY_BE_BOOL)
+ZEND_END_ARG_INFO()
+
+#define arginfo_apache_response_headers arginfo_frankenphp_response_headers
 
 ZEND_FUNCTION(frankenphp_handle_request);
 ZEND_FUNCTION(headers_send);
 ZEND_FUNCTION(frankenphp_finish_request);
-ZEND_FUNCTION(apache_request_headers);
+ZEND_FUNCTION(frankenphp_request_headers);
+ZEND_FUNCTION(frankenphp_response_headers);
 
 static const zend_function_entry ext_functions[] = {
     ZEND_FE(frankenphp_handle_request, arginfo_frankenphp_handle_request)
@@ -33,6 +42,16 @@ static const zend_function_entry ext_functions[] = {
             frankenphp_finish_request, arginfo_frankenphp_finish_request)
             ZEND_FALIAS(fastcgi_finish_request, frankenphp_finish_request,
                         arginfo_fastcgi_finish_request)
-                ZEND_FE(apache_request_headers, arginfo_apache_request_headers)
-                    ZEND_FALIAS(getallheaders, apache_request_headers,
-                                arginfo_getallheaders) ZEND_FE_END};
+                ZEND_FE(frankenphp_request_headers,
+                        arginfo_frankenphp_request_headers)
+                    ZEND_FALIAS(apache_request_headers,
+                                frankenphp_request_headers,
+                                arginfo_apache_request_headers)
+                        ZEND_FALIAS(getallheaders, frankenphp_response_headers,
+                                    arginfo_getallheaders)
+                            ZEND_FE(frankenphp_response_headers,
+                                    arginfo_frankenphp_response_headers)
+                                ZEND_FALIAS(apache_response_headers,
+                                            frankenphp_response_headers,
+                                            arginfo_apache_response_headers)
+                                    ZEND_FE_END};

frankenphp_test.go

@@ -226,6 +226,27 @@ func testHeaders(t *testing.T, opts *testOptions) {
 	}, opts)
 }
 
+func TestResponseHeaders_module(t *testing.T) { testResponseHeaders(t, nil) }
+func TestResponseHeaders_worker(t *testing.T) {
+	testResponseHeaders(t, &testOptions{workerScript: "response-headers.php"})
+}
+func testResponseHeaders(t *testing.T, opts *testOptions) {
+	runTest(t, func(handler func(http.ResponseWriter, *http.Request), _ *httptest.Server, i int) {
+		req := httptest.NewRequest("GET", fmt.Sprintf("http://example.com/response-headers.php?i=%d", i), nil)
+		w := httptest.NewRecorder()
+		handler(w, req)
+
+		resp := w.Result()
+		body, _ := io.ReadAll(resp.Body)
+
+		assert.Contains(t, string(body), "'X-Powered-By' => 'PH")
+		assert.Contains(t, string(body), "'Foo' => 'bar',")
+		assert.Contains(t, string(body), "'Foo2' => 'bar2',")
+		assert.Contains(t, string(body), fmt.Sprintf("'I' => '%d',", i))
+		assert.NotContains(t, string(body), "Invalid")
+	}, opts)
+}
+
 func TestInput_module(t *testing.T) { testInput(t, nil) }
 func TestInput_worker(t *testing.T) { testInput(t, &testOptions{workerScript: "input.php"}) }
 func testInput(t *testing.T, opts *testOptions) {
@@ -553,15 +574,15 @@ func testFiberNoCgo(t *testing.T, opts *testOptions) {
 	}, opts)
 }
 
-func TestApacheRequestHeaders_module(t *testing.T) { testApacheRequestHeaders(t, &testOptions{}) }
-func TestApacheRequestHeaders_worker(t *testing.T) {
-	testApacheRequestHeaders(t, &testOptions{workerScript: "apache-request-headers.php"})
+func TestRequestHeaders_module(t *testing.T) { testRequestHeaders(t, &testOptions{}) }
+func TestRequestHeaders_worker(t *testing.T) {
+	testRequestHeaders(t, &testOptions{workerScript: "request-headers.php"})
 }
-func testApacheRequestHeaders(t *testing.T, opts *testOptions) {
+func testRequestHeaders(t *testing.T, opts *testOptions) {
 	runTest(t, func(handler func(http.ResponseWriter, *http.Request), _ *httptest.Server, i int) {
-		req := httptest.NewRequest("GET", fmt.Sprintf("http://example.com/apache-request-headers.php?i=%d", i), nil)
-		req.Header.Add("Content-Type", "text/plain")
-		req.Header.Add("Frankenphp-I", strconv.Itoa(i))
+		req := httptest.NewRequest("GET", fmt.Sprintf("http://example.com/request-headers.php?i=%d", i), nil)
+		req.Header.Add(strings.Clone("Content-Type"), strings.Clone("text/plain"))
+		req.Header.Add(strings.Clone("Frankenphp-I"), strings.Clone(strconv.Itoa(i)))
 
 		w := httptest.NewRecorder()
 		handler(w, req)
@@ -714,3 +735,70 @@ func BenchmarkEcho(b *testing.B) {
 		handler(w, req)
 	}
 }
+
+func BenchmarkServerSuperGlobal(b *testing.B) {
+	if err := frankenphp.Init(frankenphp.WithLogger(zap.NewNop())); err != nil {
+		panic(err)
+	}
+	defer frankenphp.Shutdown()
+	cwd, _ := os.Getwd()
+	testDataDir := cwd + "/testdata/"
+
+	// Mimicks headers of a request sent by Firefox to GitHub
+	headers := http.Header{}
+	headers.Add(strings.Clone("Accept"), strings.Clone("text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8"))
+	headers.Add(strings.Clone("Accept-Encoding"), strings.Clone("gzip, deflate, br"))
+	headers.Add(strings.Clone("Accept-Language"), strings.Clone("fr,fr-FR;q=0.8,en-US;q=0.5,en;q=0.3"))
+	headers.Add(strings.Clone("Cache-Control"), strings.Clone("no-cache"))
+	headers.Add(strings.Clone("Connection"), strings.Clone("keep-alive"))
+	headers.Add(strings.Clone("Cookie"), strings.Clone("user_session=myrandomuuid; __Host-user_session_same_site=myotherrandomuuid; dotcom_user=dunglas; logged_in=yes; _foo=barbarbarbarbarbar; _device_id=anotherrandomuuid; color_mode=foobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobar; preferred_color_mode=light; tz=Europe%2FParis; has_recent_activity=1"))
+	headers.Add(strings.Clone("DNT"), strings.Clone("1"))
+	headers.Add(strings.Clone("Host"), strings.Clone("example.com"))
+	headers.Add(strings.Clone("Pragma"), strings.Clone("no-cache"))
+	headers.Add(strings.Clone("Sec-Fetch-Dest"), strings.Clone("document"))
+	headers.Add(strings.Clone("Sec-Fetch-Mode"), strings.Clone("navigate"))
+	headers.Add(strings.Clone("Sec-Fetch-Site"), strings.Clone("cross-site"))
+	headers.Add(strings.Clone("Sec-GPC"), strings.Clone("1"))
+	headers.Add(strings.Clone("Upgrade-Insecure-Requests"), strings.Clone("1"))
+	headers.Add(strings.Clone("User-Agent"), strings.Clone("Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:122.0) Gecko/20100101 Firefox/122.0"))
+
+	// Env vars available in a typical Docker container
+	env := map[string]string{
+		"HOSTNAME":        "a88e81aa22e4",
+		"PHP_INI_DIR":     "/usr/local/etc/php",
+		"HOME":            "/root",
+		"GODEBUG":         "cgocheck=0",
+		"PHP_LDFLAGS":     "-Wl,-O1 -pie",
+		"PHP_CFLAGS":      "-fstack-protector-strong -fpic -fpie -O2 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64",
+		"PHP_VERSION":     "8.3.2",
+		"GPG_KEYS":        "1198C0117593497A5EC5C199286AF1F9897469DC C28D937575603EB4ABB725861C0779DC5C0A9DE4 AFD8691FDAEDF03BDF6E460563F15A9B715376CA",
+		"PHP_CPPFLAGS":    "-fstack-protector-strong -fpic -fpie -O2 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64",
+		"PHP_ASC_URL":     "https://www.php.net/distributions/php-8.3.2.tar.xz.asc",
+		"PHP_URL":         "https://www.php.net/distributions/php-8.3.2.tar.xz",
+		"PATH":            "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
+		"XDG_CONFIG_HOME": "/config",
+		"XDG_DATA_HOME":   "/data",
+		"PHPIZE_DEPS":     "autoconf dpkg-dev file g++ gcc libc-dev make pkg-config re2c",
+		"PWD":             "/app",
+		"PHP_SHA256":      "4ffa3e44afc9c590e28dc0d2d31fc61f0139f8b335f11880a121b9f9b9f0634e",
+	}
+
+	handler := func(w http.ResponseWriter, r *http.Request) {
+		req, err := frankenphp.NewRequestWithContext(r, frankenphp.WithRequestDocumentRoot(testDataDir, false), frankenphp.WithRequestEnv(env))
+		if err != nil {
+			panic(err)
+		}
+
+		r.Header = headers
+		if err := frankenphp.ServeHTTP(w, req); err != nil {
+			panic(err)
+		}
+	}
+
+	req := httptest.NewRequest("GET", "http://example.com/server-variable.php", nil)
+	w := httptest.NewRecorder()
+
+	for i := 0; i < b.N; i++ {
+		handler(w, req)
+	}
+}

testdata/load-test.js

@@ -58,7 +58,30 @@ const payload = 'foo\n'.repeat(1000)
 // about authoring k6 scripts.
 //
 export default function () {
-  const res = http.post('http://localhost/echo.php', payload)
+  const params = {
+    headers: {
+      Accept:
+        'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8',
+      // 'Accept-Encoding': 'br',
+      'Accept-Language': 'fr,fr-FR;q=0.8,en-US;q=0.5,en;q=0.3',
+      'Cache-Control': 'no-cache',
+      Connection: 'keep-alive',
+      Cookie:
+        'user_session=myrandomuuid; __Host-user_session_same_site=myotherrandomuuid; dotcom_user=dunglas; logged_in=yes; _foo=barbarbarbarbarbar; _device_id=anotherrandomuuid; color_mode=foobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobar; preferred_color_mode=light; tz=Europe%2FParis; has_recent_activity=1',
+      DNT: '1',
+      Host: 'example.com',
+      Pragma: 'no-cache',
+      'Sec-Fetch-Dest': 'document',
+      'Sec-Fetch-Mode': 'navigate',
+      'Sec-Fetch-Site': 'cross-site',
+      'Sec-GPC': '1',
+      'Upgrade-Insecure-Requests': '1',
+      'User-Agent':
+        'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:122.0) Gecko/20100101 Firefox/122.0'
+    }
+  }
+
+  const res = http.post('http://localhost/echo.php', payload, params)
   check(res, {
     'is status 200': (r) => r.status === 200,
     'is echoed': (r) => r.body === payload

testdata/response-headers.php

@@ -0,0 +1,13 @@
+<?php
+
+require_once __DIR__.'/_executor.php';
+
+return function () {
+    header('Foo: bar');
+    header('Foo2: bar2');
+    header('Invalid');
+    header('I: ' . ($_GET['i'] ?? 'i not set'));
+    http_response_code(201);
+    
+    var_export(apache_response_headers());
+};