Illustrates bug (and fix) in the `php` community cookbook's `pear` provider from https://github.com/opscode-cookbooks/php/blob/master/providers/pear.rb that occurs when upgrading packages when there is not detectable version to upgrade to. Free for anyone with a CLA to take and contribute! :)

pear.rb.diff

diff --git a/cookbooks/php/providers/pear.rb b/cookbooks/php/providers/pear.rb
index db90e17..0172fca 100644
--- a/cookbooks/php/providers/pear.rb
+++ b/cookbooks/php/providers/pear.rb
@@ -155,7 +155,8 @@ def upgrade_package(name, version)
   command = "echo \"\r\" | #{@bin} -d"
   command << " preferred_state=#{can_haz(@new_resource, "preferred_state")}"
   command << " upgrade -a#{expand_options(@new_resource.options)}"
-  command << " #{prefix_channel(can_haz(@new_resource, "channel"))}#{name}-#{version}"
+  command << " #{prefix_channel(can_haz(@new_resource, "channel"))}#{name}"
+  command << "-#{version}" if version
   pear_shell_out(command)
   manage_pecl_ini(name, :create, can_haz(@new_resource, 'directives'), can_haz(@new_resource, 'zend_extensions')) if pecl?
 end