what is web service?

hai friends,

    I need to use the web services in my project but it is very new thing for me,

can any of you give me a brief note of that and how to use it in our php progamming?

thanks if any answers.....

More information can be found by searching the forums for "web service". Restrict yourself to just looking at thread titles if you want.

A web service is a web site designed for machines to read instead of humans.