This is a tutorial which teaches the users how to use html forms to perform error checking and to display message with php. The author explains about creation of form in which they should add few radio buttons, check box, text area, and a drop menu that is limited to allowable states. This tutorial provides info about the drop menu builder in which the function has one required and one optional parameter. This tutorial explains the users about radio buttons which selects one item from a mutually exclusive group. This tutorial tells the users about check box that allows selection of zero or more items from a list.