diff --git a/.appveyor.yml b/.appveyor.yml
deleted file mode 100644
index 4aef5e6..0000000
--- a/.appveyor.yml
+++ /dev/null
@@ -1,144 +0,0 @@
-# See https://github.com/sergeyklay/php-appveyor
-
-branches:
-  only:
-  - master
-  - appveyor
-  - w32
-  - /^v\d+\.\d+\.\d+$/
-
-environment:
-  EXTNAME: skeleton
-
-  matrix:
-    - PHP_VERSION: 7.2
-      BUILD_TYPE: Win32
-      VC_VERSION: vc15
-      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-
-    - PHP_VERSION: 7.2
-      BUILD_TYPE: nts-Win32
-      VC_VERSION: vc15
-      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-
-    - PHP_VERSION: 7.3
-      BUILD_TYPE: Win32
-      VC_VERSION: vc15
-      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-
-    - PHP_VERSION: 7.3
-      BUILD_TYPE: nts-Win32
-      VC_VERSION: vc15
-      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-
-    - PHP_VERSION: 7.4
-      BUILD_TYPE: Win32
-      VC_VERSION: vc15
-      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-
-    - PHP_VERSION: 7.4
-      BUILD_TYPE: nts-Win32
-      VC_VERSION: vc15
-      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-
-    - PHP_VERSION: 8.0
-      BUILD_TYPE: Win32
-      VC_VERSION: vs16
-      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
-
-    - PHP_VERSION: 8.0
-      BUILD_TYPE: nts-Win32
-      VC_VERSION: vs16
-      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
-
-  PHP_SDK_VERSION: 2.2.0
-  TEST_PHP_EXECUTABLE: C:\php\php.exe
-  NO_INTERACTION: 1
-  REPORT_EXIT_STATUS: 1
-
-matrix:
-  fast_finish: true
-
-cache:
-  - 'C:\Downloads -> .appveyor.yml'
-
-platform:
-  - x86
-  - x64
-
-init:
-  - ps: $DebugPreference = 'SilentlyContinue' # Continue
-  - ps: >-
-      if ($env:APPVEYOR_REPO_TAG -eq "true") {
-        Update-AppveyorBuild -Version "$($Env:APPVEYOR_REPO_TAG_NAME.TrimStart("v"))"
-      } else {
-        Update-AppveyorBuild -Version "${Env:APPVEYOR_REPO_BRANCH}-$($Env:APPVEYOR_REPO_COMMIT.Substring(0, 7))"
-      }
-
-install:
-  - ps: Import-Module .\.ci\php-appveyor.psm1
-
-  - ps: InstallPhpSdk     $Env:PHP_SDK_VERSION $Env:VC_VERSION $Env:PLATFORM
-  - ps: InstallPhp        $Env:PHP_VERSION $Env:BUILD_TYPE $Env:VC_VERSION $Env:PLATFORM
-  - ps: InstallPhpDevPack $Env:PHP_VERSION $Env:BUILD_TYPE $Env:VC_VERSION $Env:PLATFORM
-
-build_script:
-  - ps: Import-Module .\.ci\appveyor.psm1
-  - ps: InitializeBuildVars
-  - cmd: '"%VSDEVCMD%" -arch=%PLATFORM%'
-  - cmd: '"%VCVARSALL%" %ARCH%'
-  - cmd: C:\php-sdk\bin\phpsdk_setvars
-  - cmd: C:\php-devpack\phpize
-  - cmd: configure.bat --with-prefix=C:\php --with-php-build=C:\php-devpack --disable-all %ENABLE_EXT%
-  - cmd: nmake 2> compile-errors.log 1> compile.log
-  - ps: InitializeReleaseVars
-
-test_script:
-  - cmd: nmake test
-
-after_build:
-  - ps: Set-Location "${Env:APPVEYOR_BUILD_FOLDER}"
-  - ps: >-
-      PrepareReleasePackage `
-        -PhpVersion     $Env:PHP_VERSION `
-        -BuildType      $Env:BUILD_TYPE `
-        -Platform       $Env:PLATFORM `
-        -ConverMdToHtml $true `
-        -ReleaseFiles   "${Env:RELEASE_FOLDER}\php_${Env:EXTNAME}.dll",`
-                        "${Env:APPVEYOR_BUILD_FOLDER}\CREDITS",`
-                        "${Env:APPVEYOR_BUILD_FOLDER}\LICENSE"
-
-on_failure :
-  - ps: >-
-      If (Test-Path -Path "${Env:APPVEYOR_BUILD_FOLDER}\compile-errors.log") {
-        Get-Content -Path "${Env:APPVEYOR_BUILD_FOLDER}\compile-errors.log"
-      }
-
-      If (Test-Path -Path "${Env:APPVEYOR_BUILD_FOLDER}\compile.log") {
-        Get-Content -Path "${Env:APPVEYOR_BUILD_FOLDER}\compile.log"
-      }
-
-      Get-ChildItem "${Env:APPVEYOR_BUILD_FOLDER}\tests" -Recurse -Filter *.diff | Foreach-Object {
-        [Environment]::NewLine
-        Write-Output $_.FullName
-        Get-Content -Path $_.FullName
-      }
-
-artifacts:
-  - path: '.\$(RELEASE_ZIPBALL).zip'
-    name: '$(EXTNAME)'
-    type: zip
-
-deploy:
-  release: v$(appveyor_build_version)
-  description: 'v$(appveyor_build_version)'
-  provider: GitHub
-  auth_token:
-    secure: <your encrypted token>
-  artifact: '$(RELEASE_ZIPBALL).zip'
-  draft: false
-  prerelease: true
-  force_update: true
-  on:
-    branch: master
-    APPVEYOR_REPO_TAG: true
diff --git a/.ci/appveyor.psm1 b/.ci/appveyor.psm1
deleted file mode 100644
index e22786b..0000000
--- a/.ci/appveyor.psm1
+++ /dev/null
@@ -1,57 +0,0 @@
-Function InitializeBuildVars {
-	switch ($Env:VC_VERSION) {
-		'vc14' {
-			If (-not (Test-Path $Env:VS120COMNTOOLS)) {
-				Throw'The VS120COMNTOOLS environment variable is not set. Check your VS installation'
-			}
-
-			$Env:VSDEVCMD = ($Env:VS120COMNTOOLS -replace '\\$', '') + '\VsDevCmd.bat'
-			Break
-		}
-		'vc15' {
-			If (-not (Test-Path $Env:VS140COMNTOOLS)) {
-				Throw'The VS140COMNTOOLS environment variable is not set. Check your VS installation'
-			}
-
-			$Env:VSDEVCMD = ($Env:VS140COMNTOOLS -replace '\\$', '') + '\VsDevCmd.bat'
-			Break
-		}
-		default {
-			$Env:VSDEVCMD = Get-ChildItem -Path "${Env:ProgramFiles(x86)}" -Filter "VsDevCmd.bat" -Recurse -ErrorAction SilentlyContinue | ForEach-Object { $_.FullName }
-
-			If ("$Env:VSDEVCMD" -eq "") {
-				Throw 'Unable to find VsDevCmd. Check your VS installation'
-			}
-		}
-	}
-
-	If ($Env:PLATFORM -eq 'x64') {
-		$Env:ARCH = 'x86_amd64'
-	} Else {
-		$Env:ARCH = 'x86'
-	}
-
-	$Env:ENABLE_EXT = "--enable-{0}" -f ("${Env:EXTNAME}" -replace "_","-")
-
-	$SearchInFolder = (Get-Item $Env:VSDEVCMD).Directory.Parent.Parent.FullName
-	$Env:VCVARSALL = Get-ChildItem -Path "$SearchInFolder" -Filter "vcvarsall.bat" -Recurse -ErrorAction SilentlyContinue | ForEach-Object { $_.FullName }
-}
-
-Function InitializeReleaseVars {
-	If ($Env:PLATFORM -eq 'x86') {
-		If ($Env:BUILD_TYPE -Match "nts-Win32") {
-			$Env:RELEASE_SUBFOLDER = "Release"
-		} Else {
-			$Env:RELEASE_SUBFOLDER = "Release_TS"
-		}
-	} Else {
-		If ($Env:BUILD_TYPE -Match "nts-Win32") {
-			$Env:RELEASE_SUBFOLDER = "${Env:PLATFORM}\Release"
-		} Else {
-			$Env:RELEASE_SUBFOLDER = "${Env:PLATFORM}\Release_TS"
-		}
-	}
-
-	$Env:RELEASE_FOLDER = "${Env:APPVEYOR_BUILD_FOLDER}\${Env:RELEASE_SUBFOLDER}"
-	$Env:RELEASE_ZIPBALL = "${Env:EXTNAME}_${Env:PLATFORM}_${Env:VC_VERSION}_php${Env:PHP_VERSION}_${Env:APPVEYOR_BUILD_VERSION}"
-}
diff --git a/.ci/windows-build.psm1 b/.ci/windows-build.psm1
new file mode 100644
index 0000000..1e86036
--- /dev/null
+++ b/.ci/windows-build.psm1
@@ -0,0 +1,124 @@
+Function Get-VsInstallPath {
+        param (
+                [Parameter(Mandatory=$false)] [System.String] $VersionRange
+        )
+
+        $ProgramFilesX86 = ${Env:ProgramFiles(x86)}
+        $VsWhere = [System.IO.Path]::Combine($ProgramFilesX86, 'Microsoft Visual Studio', 'Installer', 'vswhere.exe')
+
+        if (Test-Path $VsWhere) {
+                $Arguments = @(
+                        '-latest',
+                        '-requires', 'Microsoft.VisualStudio.Component.VC.Tools.x86.x64',
+                        '-property', 'installationPath'
+                )
+
+                if ($VersionRange) {
+                        $Arguments += @('-version', $VersionRange)
+                }
+
+                $InstallPath = & $VsWhere @Arguments
+
+                if ($LASTEXITCODE -eq 0 -and $InstallPath) {
+                        return $InstallPath.Trim()
+                }
+        }
+
+        return $null
+}
+
+Function InitializeBuildVars {
+        $InstallPath = $null
+        $DevEnvPreconfigured = [bool]$Env:VSCMD_VER
+
+        if (-not $DevEnvPreconfigured) {
+                switch ($Env:VC_VERSION) {
+                        'vc14' {
+                                If (-not (Test-Path $Env:VS120COMNTOOLS)) {
+                                        Throw 'The VS120COMNTOOLS environment variable is not set. Check your VS installation'
+                                }
+
+                                $Env:VSDEVCMD = ($Env:VS120COMNTOOLS -replace '\\$', '') + '\\VsDevCmd.bat'
+                                Break
+                        }
+                        'vc15' {
+                                If (-not (Test-Path $Env:VS140COMNTOOLS)) {
+                                        Throw 'The VS140COMNTOOLS environment variable is not set. Check your VS installation'
+                                }
+
+                                $Env:VSDEVCMD = ($Env:VS140COMNTOOLS -replace '\\$', '') + '\\VsDevCmd.bat'
+                                Break
+                        }
+                        default {
+                                $VersionRange = $null
+                                $ProgramFilesX86 = ${Env:ProgramFiles(x86)}
+
+                                if ($Env:VC_VERSION -match '^vs([0-9]+)$') {
+                                        $VsMajor = [int]$Matches[1]
+                                        $NextMajor = $VsMajor + 1
+                                        $VersionRange = "[${VsMajor}.0,${NextMajor}.0)"
+                                }
+
+                                $InstallPath = Get-VsInstallPath -VersionRange $VersionRange
+
+                                if (-not $InstallPath) {
+                                        $Env:VSDEVCMD = Get-ChildItem -Path $ProgramFilesX86 -Filter "VsDevCmd.bat" -Recurse -ErrorAction SilentlyContinue | ForEach-Object { $_.FullName } | Select-Object -First 1
+                                } else {
+                                        $Env:VSDEVCMD = Join-Path $InstallPath "Common7\Tools\VsDevCmd.bat"
+                                }
+
+                                If (-not $Env:VSDEVCMD -or -not (Test-Path $Env:VSDEVCMD)) {
+                                        Throw 'Unable to find VsDevCmd. Check your VS installation'
+                                }
+                        }
+                }
+
+                if (-not $InstallPath) {
+                        $InstallPath = (Get-Item $Env:VSDEVCMD).Directory.Parent.Parent.FullName
+                }
+
+                $Env:VCVARSALL = Get-ChildItem -Path $InstallPath -Filter "vcvarsall.bat" -Recurse -ErrorAction SilentlyContinue | ForEach-Object { $_.FullName } | Select-Object -First 1
+
+                if (-not $Env:VCVARSALL -or -not (Test-Path $Env:VCVARSALL)) {
+                        Throw 'Unable to find vcvarsall.bat. Check your VS installation'
+                }
+        }
+
+        If ($Env:PLATFORM -eq 'x64') {
+                $Env:ARCH = 'x86_amd64'
+        } Else {
+                $Env:ARCH = 'x86'
+        }
+
+        $Env:ENABLE_EXT = "--enable-{0}" -f ("${Env:EXTNAME}" -replace "_", "-")
+}
+
+Function InitializeReleaseVars {
+        If ($Env:PLATFORM -eq 'x86') {
+                If ($Env:BUILD_TYPE -Match "nts-Win32") {
+                        $Env:RELEASE_SUBFOLDER = "Release"
+                } Else {
+                        $Env:RELEASE_SUBFOLDER = "Release_TS"
+                }
+        } Else {
+                If ($Env:BUILD_TYPE -Match "nts-Win32") {
+                        $Env:RELEASE_SUBFOLDER = "${Env:PLATFORM}\Release"
+                } Else {
+                        $Env:RELEASE_SUBFOLDER = "${Env:PLATFORM}\Release_TS"
+                }
+        }
+
+        $Workspace = $Env:GITHUB_WORKSPACE
+        if (-not $Workspace) {
+                $Workspace = $Env:APPVEYOR_BUILD_FOLDER
+        }
+
+        $Env:RELEASE_FOLDER = "${Workspace}\${Env:RELEASE_SUBFOLDER}"
+
+        $BuildVersion = $Env:GITHUB_RUN_NUMBER
+        if (-not $BuildVersion) {
+                $BuildVersion = $Env:APPVEYOR_BUILD_VERSION
+        }
+
+        $Env:RELEASE_ZIPBALL = "${Env:EXTNAME}_${Env:PLATFORM}_${Env:VC_VERSION}_php${Env:PHP_VERSION}_${BuildVersion}"
+}
diff --git a/.ci/php-appveyor.psm1 b/.ci/windows-php.psm1
similarity index 82%
rename from .ci/php-appveyor.psm1
rename to .ci/windows-php.psm1
index de0c921..7aacaa7 100644
--- a/.ci/php-appveyor.psm1
+++ b/.ci/windows-php.psm1
@@ -1,4 +1,4 @@
-# This file is part of the php-appveyor.psm1 project.
+# This file is part of the windows-php.psm1 helpers for CI builds.
 #
 # (c) Serghei Iakovlev <sadhooklay@gmail.com>
 #
@@ -49,8 +49,12 @@ function InstallPhp {
 		[Parameter(Mandatory=$false)] [System.String] $InstallPath = "C:\php"
 	)
 
-	SetupPrerequisites
-	$FullVersion = SetupPhpVersionString -Pattern $Version
+        SetupPrerequisites
+        $FullVersion = $Env:PHP_FULL_VERSION
+
+        if (-not $FullVersion) {
+                $FullVersion = SetupPhpVersionString -Pattern $Version
+        }
 
 	Write-Debug "Install PHP v${FullVersion}"
 
@@ -59,7 +63,7 @@ function InstallPhp {
 		$ReleasesPart = "releases/archives"
 	}
 
-	$RemoteUrl = "http://windows.php.net/downloads/{0}/php-{1}-{2}-{3}-{4}.zip" -f
+        $RemoteUrl = "https://windows.php.net/downloads/{0}/php-{1}-{2}-{3}-{4}.zip" -f
 	$ReleasesPart, $FullVersion, $BuildType, $VC, $Platform
 
 	$Archive   = "C:\Downloads\php-${FullVersion}-${BuildType}-${VC}-${Platform}.zip"
@@ -86,8 +90,12 @@ function InstallPhpDevPack {
 		[Parameter(Mandatory=$false)] [System.String] $InstallPath = "C:\php-devpack"
 	)
 
-	SetupPrerequisites
-	$Version = SetupPhpVersionString -Pattern $PhpVersion
+        SetupPrerequisites
+        $Version = $Env:PHP_FULL_VERSION
+
+        if (-not $Version) {
+                $Version = SetupPhpVersionString -Pattern $PhpVersion
+        }
 
 	Write-Debug "Install PHP Dev for PHP v${Version}"
 
@@ -96,7 +104,7 @@ function InstallPhpDevPack {
 		$ReleasesPart = "releases/archives"
 	}
 
-	$RemoteUrl = "http://windows.php.net/downloads/{0}/php-devel-pack-{1}-{2}-{3}-{4}.zip" -f
+        $RemoteUrl = "https://windows.php.net/downloads/{0}/php-devel-pack-{1}-{2}-{3}-{4}.zip" -f
 	$ReleasesPart, $Version, $BuildType, $VC, $Platform
 
 	$Archive   = "C:\Downloads\php-devel-pack-${Version}-${BuildType}-${VC}-${Platform}.zip"
@@ -297,10 +305,28 @@ function PrepareReleaseNote {
 	$ReleaseFile = "${Destination}\${ReleaseFile}"
 	$ReleaseDate = Get-Date -Format o
 
-	$Image = $Env:APPVEYOR_BUILD_WORKER_IMAGE
-	$Version = $Env:APPVEYOR_BUILD_VERSION
-	$Commit = $Env:APPVEYOR_REPO_COMMIT
-	$CommitDate = $Env:APPVEYOR_REPO_COMMIT_TIMESTAMP
+        $Image = $Env:GITHUB_RUNNER_OS
+        if (-not $Image) {
+                $Image = $Env:APPVEYOR_BUILD_WORKER_IMAGE
+        }
+
+        $Version = $Env:GITHUB_RUN_NUMBER
+        if (-not $Version) {
+                $Version = $Env:APPVEYOR_BUILD_VERSION
+        }
+
+        $Commit = $Env:GITHUB_SHA
+        if (-not $Commit) {
+                $Commit = $Env:APPVEYOR_REPO_COMMIT
+        }
+
+        $CommitDate = $Env:GITHUB_EVENT_HEAD_COMMIT_TIMESTAMP
+        if (-not $CommitDate) {
+                $CommitDate = $Env:APPVEYOR_REPO_COMMIT_TIMESTAMP
+        }
+        if (-not $CommitDate) {
+                $CommitDate = Get-Date -Format o
+        }
 
 	Write-Output "Release date: ${ReleaseDate}"      | Out-File -Encoding "ASCII" -Append "${ReleaseFile}"
 	Write-Output "Release version: ${Version}"       | Out-File -Encoding "ASCII" -Append "${ReleaseFile}"
@@ -325,7 +351,26 @@ function PrepareReleasePackage {
 	)
 
 	$BasePath = Resolve-Path $BasePath
-	$ReleaseDirectory = "${Env:APPVEYOR_PROJECT_NAME}-${Env:APPVEYOR_BUILD_ID}-${Env:APPVEYOR_JOB_ID}-${Env:APPVEYOR_JOB_NUMBER}"
+        if ($Env:APPVEYOR_PROJECT_NAME) {
+                $ReleaseDirectory = "${Env:APPVEYOR_PROJECT_NAME}-${Env:APPVEYOR_BUILD_ID}-${Env:APPVEYOR_JOB_ID}-${Env:APPVEYOR_JOB_NUMBER}"
+        } else {
+                $Repository = $Env:GITHUB_REPOSITORY
+                if (-not $Repository) {
+                        $Repository = 'project'
+                }
+
+                $RunId = $Env:GITHUB_RUN_ID
+                if (-not $RunId) {
+                        $RunId = 'local'
+                }
+
+                $RunAttempt = $Env:GITHUB_RUN_ATTEMPT
+                if (-not $RunAttempt) {
+                        $RunAttempt = '1'
+                }
+
+                $ReleaseDirectory = "${Repository}-${RunId}-${RunAttempt}"
+        }
 
 	PrepareReleaseNote `
 		-PhpVersion       $PhpVersion `
@@ -399,12 +444,49 @@ function FormatReleaseFiles {
 	Set-Location "${CurrentPath}"
 }
 
+function ResolvePhpToolset {
+        param (
+                [Parameter(Mandatory=$true)] [String] $PhpVersion
+        )
+
+        $FullVersion = SetupPhpVersionString -Pattern $PhpVersion
+        $ParsedVersion = [Version]$FullVersion
+
+        $VcVersion = 'vs16'
+        $VsVersion = '2019'
+
+        if ($ParsedVersion.Major -gt 8) {
+                $VcVersion = 'vs17'
+                $VsVersion = '2022'
+        } elseif ($ParsedVersion.Major -eq 8) {
+                if ($ParsedVersion.Minor -ge 2) {
+                        $VcVersion = 'vs17'
+                        $VsVersion = '2022'
+                } else {
+                        $VcVersion = 'vs16'
+                        $VsVersion = '2019'
+                }
+        } elseif ($ParsedVersion.Major -eq 7 -and $ParsedVersion.Minor -ge 4) {
+                $VcVersion = 'vc15'
+                $VsVersion = '2017'
+        } elseif ($ParsedVersion.Major -eq 7 -and $ParsedVersion.Minor -ge 0) {
+                $VcVersion = 'vc14'
+                $VsVersion = '2015'
+        }
+
+        return [PSCustomObject]@{
+                FullVersion = $FullVersion
+                VcVersion   = $VcVersion
+                VsVersion   = $VsVersion
+        }
+}
+
 function SetupPhpVersionString {
-	param (
-		[Parameter(Mandatory=$true)] [String] $Pattern
-	)
+        param (
+                [Parameter(Mandatory=$true)] [String] $Pattern
+        )
 
-	$RemoteUrl   = 'http://windows.php.net/downloads/releases/sha256sum.txt'
+        $RemoteUrl   = 'https://windows.php.net/downloads/releases/sha256sum.txt'
 	$Destination = "${Env:Temp}\php-sha256sum.txt"
 
 	if (-not (Test-Path $Destination)) {
@@ -508,8 +590,8 @@ function DownloadFile {
 	$RetryCount = 0
 	$Completed  = $false
 
-	$WebClient = New-Object System.Net.WebClient
-	$WebClient.Headers.Add('User-Agent', 'AppVeyor PowerShell Script')
+        $WebClient = New-Object System.Net.WebClient
+        $WebClient.Headers.Add('User-Agent', 'GitHubActions PowerShell Script')
 
 	Write-Debug "Downloading: '${RemoteUrl}' => '${Destination}' ..."
 
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..5a08536
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,150 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+    tags:
+      - 'v*.*.*'
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  linux:
+    name: Linux PHP ${{ matrix.php-version }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        php-version:
+          - '8.1'
+          - '8.2'
+          - '8.3'
+          - 'nightly'
+    continue-on-error: ${{ matrix.php-version == 'nightly' }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php-version }}
+          coverage: none
+
+      - name: Install dependencies
+        run: |
+          phpize
+          ./configure
+          make
+
+      - name: Install extension
+        run: sudo make install
+
+      - name: Run tests
+        run: make test
+
+      - name: Upload test diffs on failure
+        if: failure()
+        run: |
+          find tests -name '*.diff' -print -exec cat {} +
+
+  windows:
+    name: Windows PHP ${{ matrix.php-version }} (${{ matrix.build-type }})
+    runs-on: windows-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - php-version: '8.1'
+            build-type: 'nts-Win32'
+          - php-version: '8.1'
+            build-type: 'Win32'
+          - php-version: '8.2'
+            build-type: 'nts-Win32'
+          - php-version: '8.2'
+            build-type: 'Win32'
+          - php-version: '8.3'
+            build-type: 'nts-Win32'
+          - php-version: '8.3'
+            build-type: 'Win32'
+    env:
+      EXTNAME: skeleton
+      PLATFORM: x64
+      PHP_SDK_VERSION: 2.2.0
+      PHP_VERSION: ${{ matrix.php-version }}
+      BUILD_TYPE: ${{ matrix.build-type }}
+      APPVEYOR_BUILD_FOLDER: ${{ github.workspace }}
+      TEST_PHP_EXECUTABLE: C:\php\php.exe
+      NO_INTERACTION: 1
+      REPORT_EXIT_STATUS: 1
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Resolve PHP toolset
+        id: php-toolset
+        shell: pwsh
+        run: |
+          Import-Module "$env:GITHUB_WORKSPACE\.ci\windows-php.psm1"
+          $toolset = ResolvePhpToolset -PhpVersion $env:PHP_VERSION
+          Add-Content -Path $env:GITHUB_ENV -Value "PHP_FULL_VERSION=$($toolset.FullVersion)"
+          Add-Content -Path $env:GITHUB_ENV -Value "VC_VERSION=$($toolset.VcVersion)"
+          Add-Content -Path $env:GITHUB_ENV -Value "VS_VERSION=$($toolset.VsVersion)"
+          Add-Content -Path $env:GITHUB_OUTPUT -Value "full-version=$($toolset.FullVersion)"
+          Add-Content -Path $env:GITHUB_OUTPUT -Value "vc-version=$($toolset.VcVersion)"
+          Add-Content -Path $env:GITHUB_OUTPUT -Value "vs-version=$($toolset.VsVersion)"
+
+      - name: Setup MSVC environment
+        uses: ilammy/msvc-dev-cmd@v1
+        with:
+          arch: x64
+          vsversion: ${{ steps.php-toolset.outputs.vs-version }}
+
+      - name: Install PHP SDK and toolchain
+        shell: pwsh
+        run: |
+          Import-Module "$env:GITHUB_WORKSPACE\.ci\windows-php.psm1"
+          InstallPhpSdk     $Env:PHP_SDK_VERSION $Env:VC_VERSION $Env:PLATFORM
+          InstallPhp        $Env:PHP_VERSION     $Env:BUILD_TYPE  $Env:VC_VERSION $Env:PLATFORM
+          InstallPhpDevPack $Env:PHP_VERSION     $Env:BUILD_TYPE  $Env:VC_VERSION $Env:PLATFORM
+
+      - name: Build and test
+        shell: pwsh
+        run: |
+          Import-Module "$env:GITHUB_WORKSPACE\.ci\windows-build.psm1"
+          InitializeBuildVars
+          $commands = @()
+
+          if ($env:VSDEVCMD) {
+            $commands += "call `"$env:VSDEVCMD`" -arch=$env:PLATFORM"
+          }
+
+          if ($env:VCVARSALL) {
+            $commands += "call `"$env:VCVARSALL`" $env:ARCH"
+          }
+
+          $commands += @("call C:\php-sdk\bin\phpsdk_setvars.bat",
+            "call C:\php-devpack\phpize.bat",
+            "call configure.bat --with-prefix=C:\php --with-php-build=C:\php-devpack --disable-all $env:ENABLE_EXT",
+            "call nmake",
+            "call nmake test"
+          )
+          cmd /c ($commands -join " && ")
+
+      - name: Upload logs on failure
+        if: failure()
+        shell: pwsh
+        run: |
+          Get-ChildItem -Path . -Filter 'compile*.log' -File | ForEach-Object {
+            Write-Host "--- $($_.FullName)"; Get-Content $_
+          }
+          Get-ChildItem -Path . -Filter 'config*.log' -File | ForEach-Object {
+            Write-Host "--- $($_.FullName)"; Get-Content $_
+          }
+          Get-ChildItem -Path tests -Recurse -Filter '*.diff' -File | ForEach-Object {
+            Write-Host "--- $($_.FullName)"; Get-Content $_
+          }
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 4df8c9b..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,53 +0,0 @@
-env:
-  EXTNAME: skeleton
-
-language: php
-php:
-  - 7.2
-  - 7.3
-  - 7.4
-  - 8.0
-
-matrix:
-  allow_failures:
-    - php: nightly
-
-branches:
-  only:
-  - master
-  - travis
-  - /^v\d+\.\d+\.\d+$/
-
-install:
-  - phpize
-  - ./configure
-  - make
-
-before_script:
-  make install
-
-script:
-  make test
-
-after_failure:
-  - |
-    for FILE in $(find tests -name '*.diff'); do
-      echo $FILE
-      cat FILE
-      echo
-    done
-
-before_deploy:
-  - pecl package
-  - export RELEASE_PACKAGE=$(ls "$EXTNAME"-*.tgz)
-
-deploy:
-  provider: releases
-  auth_token:
-    secure: <your encrypted token>
-  file: "$RELEASE_PACKAGE"
-  skip_cleanup: true
-  name: "$TRAVIS_TAG"
-  prerelease: true
-  on:
-    tags: true
diff --git a/README.md b/README.md
index feaa33c..bae000d 100644
--- a/README.md
+++ b/README.md
@@ -2,8 +2,7 @@
 
 # Skeleton PHP extension
 
-[![Build Status](https://travis-ci.org/improved-php-library/skeleton-php-ext.svg?branch=master)](https://travis-ci.org/improved-php-library/skeleton-php-ext)
-[![Build status](https://ci.appveyor.com/api/projects/status/7rof1vr8mv4kam17/branch/master?svg=true)](https://ci.appveyor.com/project/jasny/skeleton-php-ext/branch/master)
+[![CI Status](https://github.com/improved-php-library/skeleton-php-ext/actions/workflows/ci.yml/badge.svg?branch=master)](https://github.com/improved-php-library/skeleton-php-ext/actions/workflows/ci.yml)
 
 Skeleton project for PHP C-extension.
 
@@ -12,8 +11,7 @@ Skeleton project for PHP C-extension.
 
 Includes;
 
-* Travis (Linux) and AppVeyor (Windows) configuration for continuous integration / platform tests.
-  * Automatic deployment of package to GitHub releases
+* GitHub Actions configuration for Linux and Windows continuous integration / platform tests.
 * CMake config for editing in [CLion](https://www.jetbrains.com/clion/). (See [this article](https://dev.to/jasny/developing-a-php-extension-in-clion-3oo1))
 * Supported for pecl dependencies.
 
@@ -84,27 +82,18 @@ To customize this skeleton for your own extension (e.g. `foo_bar`), edit the fol
 4. Change the `zend_module_entry` from `skeleton_module_entry` to `foo_bar_module_entry`
 5. In `ZEND_GET_MODULE` replace `skeleton` to `foo_bar`.
 
-### .appveyor.yml and .travis.yml
+### GitHub Actions workflow
 
-Change `skeleton` with your extension name for the `EXTNAME` env var.
+Change `skeleton` with your extension name for the `EXTNAME` env var in the Windows job.
 
 ```
 env:
   EXTNAME: foo_bar
 ```
 
-#### Deployment
-
-Both Travis and AppVeyor are configured to automatically deploy the generated packages to
-[GitHub releases](https://help.github.com/en/articles/creating-releases). In order to do so, you need to specify a
-GitHub API key.
-
-1. Create a new [Personal access token](https://github.com/settings/tokens) on GitHub via developer settings with the
-    `public_repo` privilege.
-2. For AppVeyor, encrypt the token using the online [Encrypt Yaml](https://ci.appveyor.com/tools/encrypt) tool. Replace
-    `<your encrypted toke>` for the encrypted value in `.appveyor.yml`.
-3. For Travis, install the Travis CLI (`gem install travis`) and use `travis encrypt` to encrypt the token. Replace
-    `<your encrypted toke>` for the encrypted value in `.travis.yml`.
+Update `.github/workflows/ci.yml` so that both the Linux and Windows jobs reference your extension name where needed.
+When you are ready to publish artifacts through GitHub Actions, store any required secrets (like a GitHub token) as
+encrypted repository secrets and consume them from the workflow instead of committing sensitive values.
 
 ### LICENSE