Trying to use php stock installer again

appveyor.yml

@@ -16,14 +16,14 @@ init:
   - SET PATH=C:\php\;%PATH%
 install:
   - cd c:\
-  - ps: Start-FileDownload 'http://robmorgan.s3.amazonaws.com/php55/php-5.5.7-nts-Win32-VC11-x86.zip'
-  - 7z x php-5.5.7-nts-Win32-VC11-x86.zip -oc:\php
-  - cd c:\php
+  - cinst php
+  - cd c:\php\ext
+  - ps: Start-FileDownload 'http://cakephp.org/files/CI/php_pdo_sqlsrv.dll'
+  - cd ..
   - copy php.ini-production php.ini
   - echo date.timezone="UTC" >> php.ini
   - echo extension_dir=ext >> php.ini
   - echo extension=php_openssl.dll >> php.ini
-  - echo extension=php_sqlsrv.dll >> php.ini
   - echo extension=php_pdo_sqlsrv.dll >> php.ini
   - echo extension=php_pdo_mysql.dll >> php.ini
   - echo extension=php_intl.dll >> php.ini