Check unsupported manifest for PHP
Check unsupported manifest for PHP

Signed-off-by: Matt Horan <eddfe3ddf47abba1865e969c360708dff8ab1fba@pivotal.io>

orange-cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,orange-cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,orange-cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci