hello everybody

i am a full time warehouse worker and do not have time.i hardly can spend 2/3 hours a week on internet(at work we do not use internet but only computer)i am learning php and have xampp installed on my computer and i think i am learning slowly slowly.i want ot ask one favor to someone,who is capable of doing this small work.i have learned that when visitor fill a form after visitor get message with his name.how this function is added and where? can anyon give me a example like giving a example to a child of 10 years.i would like if someone explain me.