Web services in scripting langauges. PHP, Perl and Ruby

I have done survey to compare features of three scripting languages related to web services implementations. Those three languages are PHP, Perl and Ruby. This comparison also contrasts WSF/* family of products with other implementations. For example WSF/PHP vs nuSOAP. Please note that the features are compared to the latest released versions mentioned below.


And here is the feature comparison.


Not Implemented
Implemented
Experimental