For the beginners to Eclipse (A popular FREE PHP editor), it becomes a nightmare how to configure and use Eclipse PHP Editor properly. In fact I have also struggled with it. There are lots of PHP developers like me who also use Eclipse editor for WordPress coding , from theme design to plugin development.
This is a good short Video tutorial and by viewing it you shall learn – how to configure Eclipse PHP editor (Luna / Helios etc) for wordpress web development. For WordPress training centers in Kolkata click here
N.B : I have read this tutorial and found it useful. I think you shall find it useful also.