[Windows] Implement new directories hierarchy (#8616)

images/windows/scripts/tests/PHP.Tests.ps1

@@ -0,0 +1,16 @@
+Describe "PHP" {
+    It "Check PHP version" {
+        $phpMajorMinor = (Get-ToolsetContent).php.version
+        $phpInstalledVersion = php --version | Select-String -Pattern "PHP $phpMajorMinor"
+        $phpInstalledVersion | Should -BeLike "*${phpMajorMinor}*"
+    }
+
+    It "Check Composer in the PATH" {
+        "composer --version" | Should -ReturnZeroExitCode
+    }
+
+    It "PHP Environment variables is set." {
+        ${env:PHPROOT} | Should -Not -BeNullOrEmpty
+        ${env:PHPROOT} | Should -Exist
+    }
+}