Add support for oci8 and pdo_oci

src/scripts/ext/oci.ps1

@@ -0,0 +1,45 @@
+Param (
+  [Parameter(Position = 0, Mandatory = $true)]
+  [ValidateNotNull()]
+  [ValidateSet('oci8', 'pdo_oci')]
+  [string]
+  $extension,
+  [Parameter(Position = 1, Mandatory = $true)]
+  [ValidateNotNull()]
+  [ValidateLength(1, [int]::MaxValue)]
+  [string]
+  $version
+)
+
+$tick = ([char]8730)
+$php_dir = 'C:\tools\php'
+if($env:RUNNER -eq 'self-hosted') { $php_dir = "$php_dir$version" }
+$ext_dir = "$php_dir\ext"
+if(-not(Test-Path $php_dir\oci.dll)) {
+  $suffix = 'windows'
+  if(-not([Environment]::Is64BitOperatingSystem) -or $version -lt '7.0') {
+    $suffix = 'nt'
+  }
+  Invoke-WebRequest -UseBasicParsing -Uri https://download.oracle.com/otn_software/nt/instantclient/instantclient-basiclite-$suffix.zip -OutFile $php_dir\instantclient.zip
+  Expand-Archive -Path $php_dir\instantclient.zip -DestinationPath $php_dir -Force
+  Copy-Item $php_dir\instantclient*\* $php_dir
+}
+if ($extension -eq "pdo_oci") {
+  Enable-PhpExtension pdo_oci -Path $php_dir
+} else {
+  $ociVersion = '2.2.0'
+  if ($version -eq '7.0')
+  {
+    $ociVersion = '2.1.8'
+  }
+  elseif ($version -lt '7.0')
+  {
+    $ociVersion = '2.0.12'
+  }
+  $PhpVersion = Get-Php -Path $php_dir
+  $ociUrl = Get-PeclArchiveUrl oci8 $ociVersion $phpVersion
+  Invoke-WebRequest -UseBasicParsing -Uri $ociUrl -OutFile $php_dir\oci8.zip
+  Expand-Archive -Path $php_dir\oci8.zip -DestinationPath $ext_dir -Force
+  Add-Content -Value "`r`nextension=php_oci8.dll" -Path $php_dir\php.ini
+}
+printf "\033[%s;1m%s \033[0m\033[34;1m%s \033[0m\033[90;1m%s \033[0m\n" "32" $tick $extension "Enabled"