Enable support for PHP 8.3 (#1097)

.ci/Makefile

@@ -11,13 +11,19 @@ MAKEFLAGS += --no-print-directory
 IMAGE := test-php
 PHP_VERSION ?= 7.2
 DOCKERFILE ?= Dockerfile
+SEL_DISTRO=buster
 LOOPS ?= 50
 SUFFIX :=
 ifeq ($(DOCKERFILE), Dockerfile.alpine)
     ## This is only required to tag the docker images used for building/testing this project
     SUFFIX := -alpine
 endif
 
+ifneq ($(PHP_VERSION), 7.2)
+	SEL_DISTRO := bullseye
+endif
+
+
 CONAN_USER_HOME:=/tmp/conan_user_home
 MAP_CONAN_HOME_TO_DOCKER_HOST_CMD_LINE_ARG:=
 ifdef MAP_CONAN_HOME_TO_DOCKER_HOST
@@ -37,7 +43,7 @@ help: ## Display this help text
 prepare:  ## Build docker image for building and testing the project
 	@echo "::group::$@"  # Helping to group logs in GitHub actions
 	docker build \
-		--build-arg PHP_VERSION=${PHP_VERSION} \
+		--build-arg PHP_VERSION=${PHP_VERSION} --build-arg SEL_DISTRO=${SEL_DISTRO}\
 		--tag $(IMAGE):${PHP_VERSION}$(SUFFIX) \
 		-f ${DOCKERFILE} .
 	@echo "::endgroup::"

.ci/packer_cache.sh

@@ -14,6 +14,7 @@ php:7.4-fpm
 php:8.0-fpm
 php:8.1-fpm
 php:8.2-fpm
+php:8.3-fpm
 ruby:2.7.1-alpine3.12
 ubuntu:20.04
 "
@@ -25,7 +26,7 @@ if [ -x "$(command -v docker)" ]; then
 
   # Make sure list of PHP versions supported by the Elastic APM PHP Agent is in sync.
   # See the comment in .ci/shared.sh
-  for version in 7.2 7.3 7.4 8.0 8.1 8.2
+  for version in 7.2 7.3 7.4 8.0 8.1 8.2 8.3
   do
     PHP_VERSION=${version} make -f .ci/Makefile prepare || true
     DOCKERFILE=Dockerfile.alpine PHP_VERSION=${version} make -f .ci/Makefile prepare || true

.ci/shared.sh

@@ -3,16 +3,20 @@ set -e
 
 #
 # Make sure list of PHP versions supported by the Elastic APM PHP Agent is in sync
-# 1) .ci/shared.sh (this file; update ELASTIC_APM_PHP_TESTS_SUPPORTED_PHP_VERSIONS below)
-# 2) .ci/Jenkinsfile (the list of PHP versions might appear more than once - search for "list of PHP versions")
-# 3) .github/workflows/test.yml (update jobs -> test -> strategy -> matrix -> php-version)
-# 4) .github/workflows/loop.yml (update jobs -> loop-matrix -> strategy -> matrix -> php-version)
-# 5) .ci/packer_cache.sh (the list of PHP versions might appear more than once - search for "list of PHP versions")
-# 6) packaging/post-install.sh (the list of PHP versions might appear more than once - search for "list of PHP versions")
-# 7) composer.json
-# 8) tests/ElasticApmTests/ComponentTests/GenerateUnpackScriptsTest.php (search for "list of PHP versions")
+# *) .ci/shared.sh (this file; update ELASTIC_APM_PHP_TESTS_SUPPORTED_PHP_VERSIONS below)
+# *) .github/workflows/test.yml (update jobs -> test -> strategy -> matrix -> php-version)
+# *) .github/workflows/phpt.yml
+# *) .github/workflows/loop.yml (update jobs -> loop-matrix -> strategy -> matrix -> php-version)
+# *) .ci/packer_cache.sh (the list of PHP versions might appear more than once - search for "list of PHP versions")
+# *) packaging/post-install.sh (the list of PHP versions might appear more than once - search for "list of PHP versions")
+# *) composer.json
+# *) tests/ElasticApmTests/ComponentTests/GenerateUnpackScriptsTest.php (search for "list of PHP versions")
+# *) CMakeList.txt and conan dependencies
+# *) phpdetection.cpp in agent loader
+# *) docker-compose.yml in packaging/test
+
 #
-export ELASTIC_APM_PHP_TESTS_SUPPORTED_PHP_VERSIONS=(7.2 7.3 7.4 8.0 8.1 8.2)
+export ELASTIC_APM_PHP_TESTS_SUPPORTED_PHP_VERSIONS=(7.2 7.3 7.4 8.0 8.1 8.2 8.3)
 
 export ELASTIC_APM_PHP_TESTS_SUPPORTED_LINUX_NATIVE_PACKAGE_TYPES=(apk deb rpm)
 export ELASTIC_APM_PHP_TESTS_SUPPORTED_LINUX_PACKAGE_TYPES=("${ELASTIC_APM_PHP_TESTS_SUPPORTED_LINUX_NATIVE_PACKAGE_TYPES[@]}" tar)

.github/workflows/loop.yml

@@ -22,6 +22,7 @@ jobs:
           - "8.0"
           - "8.1"
           - "8.2"
+          - "8.3"
         dockerfile:
           - "Dockerfile"
           - "Dockerfile.alpine"

.github/workflows/phpt.yml

@@ -27,6 +27,7 @@ jobs:
           - "8.0"
           - "8.1"
           - "8.2"
+          - "8.3"
     steps:
     # - uses: actions/checkout@v4
     # - name: Fetch and extract latest release of apm-agent-php

.github/workflows/test.yml

@@ -43,6 +43,7 @@ jobs:
           - "8.0"
           - "8.1"
           - "8.2"
+          - "8.3"
         arch:
           - "linux-x86-64"
           - "linuxmusl-x86-64"
@@ -76,6 +77,7 @@ jobs:
           - "8.0"
           - "8.1"
           - "8.2"
+          - "8.3"
         dockerfile:
           - "Dockerfile"
           - "Dockerfile.alpine"

Dockerfile

@@ -1,5 +1,6 @@
 ARG PHP_VERSION=7.2
-FROM php:${PHP_VERSION}-fpm-buster
+ARG SEL_DISTRO=buster
+FROM php:${PHP_VERSION}-fpm-${SEL_DISTRO}
 
 RUN apt-get -qq update \
     && apt-get -qq -y --no-install-recommends install \

agent/native/CMakeLists.txt

@@ -43,7 +43,7 @@ include(elastic_conan_debugsymbols)
 
 # Install project dependencies
 
-set(_supported_php_versions 72 73 74 80 81 82)
+set(_supported_php_versions 72 73 74 80 81 82 83)
 
 function(get_php_api_from_release php_version ret_val)
     block(SCOPE_FOR VARIABLES)
@@ -53,6 +53,7 @@ function(get_php_api_from_release php_version ret_val)
         set(_php_release_80 20200930)
         set(_php_release_81 20210902)
         set(_php_release_82 20220829)
+        set(_php_release_83 20230831)
 
         set(${ret_val} ${_php_release_${php_version}})
         return(PROPAGATE ${ret_val})

agent/native/building/dependencies/php83/conandata.yml

@@ -0,0 +1,33 @@
+name: "php-headers-83"
+version: "1.0"
+php_source_version: 8.3.2
+
+sources:
+  7.2.34:
+    linux:
+      - url: "https://www.php.net/distributions/php-7.2.34.tar.gz"
+        contentsRoot: "php-7.2.34"
+  7.3.33:
+    linux:
+      - url: "https://www.php.net/distributions/php-7.3.33.tar.gz"
+        contentsRoot: "php-7.3.33"
+  7.4.33:
+    linux:
+      - url: "https://www.php.net/distributions/php-7.4.33.tar.gz"
+        contentsRoot: "php-7.4.33"
+  8.0.28:
+    linux:
+      - url: "https://www.php.net/distributions/php-8.0.28.tar.gz"
+        contentsRoot: "php-8.0.28"
+  8.1.18:
+    linux:
+      - url: "https://www.php.net/distributions/php-8.1.18.tar.gz"
+        contentsRoot: "php-8.1.18"
+  8.2.5:
+    linux:
+      - url: "https://www.php.net/distributions/php-8.2.5.tar.gz"
+        contentsRoot: "php-8.2.5"
+  8.3.2:
+    linux:
+      - url: "https://www.php.net/distributions/php-8.3.2.tar.gz"
+        contentsRoot: "php-8.3.2"

agent/native/building/dependencies/php83/conanfile.py

@@ -0,0 +1,56 @@
+import os
+import shutil
+
+from conans import tools, ConanFile, AutoToolsBuildEnvironment
+
+class PhpHeadersForPHP81Conan(ConanFile):
+    description = "PHP headers package required to build Elastic APM agent without additional PHP dependencies"
+    license = "The PHP License, version 3.01"
+    homepage = "https://php.net/"
+    url = "https://php.net/"
+    author = "pawel.filipczak@elastic.co"
+
+    settings = "os", "compiler", "build_type", "arch"
+    platform = "linux"
+
+    def init(self):
+        self.name = self.conan_data["name"]
+        self.version = self.conan_data["version"] # version of the package
+        self.php_version = self.conan_data["php_source_version"] # version of the PHP to build
+        self.source_temp_dir = "php-src"
+
+    def requirements(self):
+        self.requires("libxml2/2.9.9")
+        self.requires("sqlite3/3.29.0")
+
+    def source(self):
+        for source in self.conan_data["sources"][self.php_version][self.platform]:
+
+            if "contentsRoot" in source:
+                # small hack - it can't contain custom fields, so we're removing it from source (got an unexpected keyword argument)
+                contentRoot = source["contentsRoot"]
+                del source["contentsRoot"]
+                tools.get(**source)
+                os.rename(contentRoot, self.source_temp_dir)
+            else:
+                self.output.error("Could not find 'contentsRoot' in conandata.yml")
+                raise Exception("Could not find 'contentsRoot' in conandata.yml")
+
+    def build(self):
+        with tools.chdir(os.path.join(self.source_folder, self.source_temp_dir)):
+            buildEnv = AutoToolsBuildEnvironment(self)
+            envVariables = buildEnv.vars
+            envVariables['ac_cv_php_xml2_config_path'] = os.path.join(self.deps_cpp_info["libxml2"].rootpath, "bin/xml2-config")
+            envVariables['LIBXML_LIBS'] = os.path.join(self.deps_cpp_info["libxml2"].rootpath, self.deps_cpp_info["libxml2"].libdirs[0])
+            envVariables['LIBXML_CFLAGS'] = "-I{}".format(os.path.join(self.deps_cpp_info["libxml2"].rootpath, self.deps_cpp_info["libxml2"].includedirs[0]))
+            envVariables['SQLITE_LIBS'] = os.path.join(self.deps_cpp_info["sqlite3"].rootpath, self.deps_cpp_info["sqlite3"].libdirs[0])
+            envVariables['SQLITE_CFLAGS'] = "-I{}".format(os.path.join(self.deps_cpp_info["sqlite3"].rootpath, self.deps_cpp_info["sqlite3"].includedirs[0]))
+            self.run("./buildconf --force")
+            buildEnv.configure(args=[""], vars=envVariables, build=False, host=False)
+
+    def package(self):
+        source = os.path.join(self.source_folder, self.source_temp_dir)
+        self.copy("*.h", src=source, dst='include', keep_path=True)
+
+    def package_id(self):
+        del self.info.settings.compiler.version

agent/native/ext/AST_debug.cpp

@@ -75,7 +75,7 @@ String zendAstKindToString( zend_ast_kind kind )
             return (#enumMember) \
     /**/
 
-    // Up to date with PHP v8.2.3
+    // Up to date with PHP v8.3.2
     switch ( kind )
     {
         /**
@@ -224,6 +224,11 @@ String zendAstKindToString( zend_ast_kind kind )
         ELASTIC_APM_GEN_ENUM_TO_STRING_SWITCH_CASE( ZEND_AST_TYPE_INTERSECTION );
         #endif
 
+
+        #if PHP_VERSION_ID >= ELASTIC_APM_BUILD_PHP_VERSION_ID( 8, 3, 0 ) /* if PHP version from 8.3.0 */
+        ELASTIC_APM_GEN_ENUM_TO_STRING_SWITCH_CASE( ZEND_AST_MODIFIER_LIST );
+        #endif
+
         default:
             return NULL;
     }

agent/native/loader/code/phpdetection.cpp

@@ -59,7 +59,7 @@ std::tuple<std::string_view, int, bool> getZendModuleApiVersion(std::string_view
     constexpr size_t knownVersionsCount = 16;
 
     constexpr std::array<std::tuple<std::string_view, int, bool>, knownVersionsCount> knownPhpVersions {{
-        {"4.3"sv, 20230831, false},    // PHP 8.3
+        {"4.3"sv, 20230831, true},    // PHP 8.3
         {"4.2"sv, 20220829, true},    // PHP 8.2
         {"4.1"sv, 20210902, true},    // PHP 8.1
         {"4.0"sv, 20200930, true},    // PHP 8.0

composer.json

@@ -8,7 +8,7 @@
         { "name": "Sergey Kleyman" }
     ],
     "require": {
-        "php": "^7.2||8.0.*||8.1.*||8.2.*",
+        "php": "^7.2||8.0.*||8.1.*||8.2.*||8.3.*",
         "ext-json": "*",
         "ext-pcntl": "*",
         "psr/log": "^1.0"

docs/supported-technologies.asciidoc

@@ -20,7 +20,7 @@ The agent supports Linux operating system.
 [[supported-php-versions]]
 === PHP versions
 
-The agent supports PHP versions 7.2-8.2.
+The agent supports PHP versions 7.2-8.3.
 
 [float]
 [[unsupported-php-sapis]]

packaging/Makefile

@@ -6,11 +6,16 @@ VERSION?=$(shell grep 'VERSION' ../agent/php/ElasticApm/ElasticApm.php | cut -d=
 OUTPUT:=build/packages
 PHP_AGENT_DIR:=/opt/elastic/apm-agent-php
 PHP_VERSION?=7.2
+SEL_DISTRO?=buster
 GIT_SHA?=$(shell git rev-parse HEAD || echo "unknown")
 RELEASE_VERSION?=
 GITHUB_RELEASES_URL=https://github.com/elastic/apm-agent-php/releases/download
 export FPM_FLAGS=
 
+ifneq ($(PHP_VERSION), 7.2)
+	SEL_DISTRO := bullseye
+endif
+
 .PHONY: help
 .DEFAULT_GOAL := help
 help: ## Display this help text
@@ -127,15 +132,15 @@ prepare-deb-fpm:  ## Build the docker image for the deb smoke tests for fpm
 prepare-deb:  ## Build the docker image for the deb smoke tests
 	@echo "::group::$@"  # Helping to group logs in GitHub actions
 	cd $(PWD)/packaging/test/ubuntu ;\
-	docker build --build-arg PHP_VERSION=$(PHP_VERSION) -t $@ . || exit 1 ;\
+	docker build --build-arg PHP_VERSION=$(PHP_VERSION) --build-arg SEL_DISTRO=$(SEL_DISTRO) -t $@ . || exit 1 ;\
 	cd -
 	@echo "::endgroup::"
 
 .PHONY: prepare-tar
 prepare-tar:  ## Build the docker image for the tar smoke tests
 	@echo "::group::$@"  # Helping to group logs in GitHub actions
 	cd $(PWD)/packaging/test/ubuntu ;\
-	docker build --build-arg PHP_VERSION=$(PHP_VERSION) -t $@ . || exit 1 ;\
+	docker build --build-arg PHP_VERSION=$(PHP_VERSION) --build-arg SEL_DISTRO=$(SEL_DISTRO) -t $@ . || exit 1 ;\
 	cd -
 	@echo "::endgroup::"
 

packaging/post-install.sh

@@ -204,11 +204,12 @@ function is_php_supported() {
         [ "${PHP_MAJOR_MINOR}" == "7.4" ] || \
         [ "${PHP_MAJOR_MINOR}" == "8.0" ] || \
         [ "${PHP_MAJOR_MINOR}" == "8.1" ] || \
-        [ "${PHP_MAJOR_MINOR}" == "8.2" ]
+        [ "${PHP_MAJOR_MINOR}" == "8.2" ] || \
+        [ "${PHP_MAJOR_MINOR}" == "8.3" ]
     then
         return 0
     else
-        echo 'Failed. The supported PHP versions are 7.2-8.2.'
+        echo 'Failed. The supported PHP versions are 7.2-8.3.'
         return 1
     fi
 }

packaging/test/docker-compose.yml

@@ -1,5 +1,13 @@
 version: "3"
 services:
+    deb-fpm-php83:
+        image: elasticobservability/apm-agent-php-dev:packages-test-deb-fpm-php-8.3-0.0.1
+        build:
+            context: ubuntu
+            dockerfile: fpm/Dockerfile
+            args:
+                - PHP_VERSION=8.3
+                - SEL_DISTRO=bullseye
     deb-fpm-php82:
         image: elasticobservability/apm-agent-php-dev:packages-test-deb-fpm-php-8.2-0.0.1
         build:
@@ -46,6 +54,14 @@ services:
 
 
 
+    deb-apache-php83:
+        image: elasticobservability/apm-agent-php-dev:packages-test-deb-apache-php-8.3-0.0.1
+        build:
+            context: ubuntu
+            dockerfile: apache/Dockerfile
+            args:
+                - PHP_VERSION=8.3
+                - SEL_DISTRO=bullseye
     deb-apache-php82:
         image: elasticobservability/apm-agent-php-dev:packages-test-deb-apache-php-8.2-0.0.1
         build:
@@ -90,6 +106,14 @@ services:
                 - PHP_VERSION=7.2
 
 
+    deb-php83:
+        image: elasticobservability/apm-agent-php-dev:packages-test-deb-php-8.3-0.0.1
+        build:
+            context: ubuntu
+            dockerfile: Dockerfile
+            args:
+                - PHP_VERSION=8.3
+                - SEL_DISTRO=bullseye
     deb-php82:
         image: elasticobservability/apm-agent-php-dev:packages-test-deb-php-8.2-0.0.1
         build:
@@ -133,6 +157,13 @@ services:
             args:
                 - PHP_VERSION=7.2
 
+    rpm-php83:
+        image: elasticobservability/apm-agent-php-dev:packages-test-rpm-php-8.3-0.0.1
+        build:
+            context: centos
+            dockerfile: Dockerfile
+            args:
+                - PHP_VERSION=8.3
     rpm-php82:
         image: elasticobservability/apm-agent-php-dev:packages-test-rpm-php-8.2-0.0.1
         build:
@@ -176,6 +207,13 @@ services:
             args:
                 - PHP_VERSION=7.2
 
+    apk-php83:
+        image: elasticobservability/apm-agent-php-dev:packages-test-apk-php-8.3-0.0.1
+        build:
+            context: alpine
+            dockerfile: Dockerfile
+            args:
+                - PHP_VERSION=8.3
     apk-php82:
         image: elasticobservability/apm-agent-php-dev:packages-test-apk-php-8.2-0.0.1
         build: