1. Write a PhP program to input a Alpha Numeric String from theKeyboard (at least 15 characters). (ex: " The zip code of my cityis 95131". The space is also considered as one character,")

2. Count the number of characters in the string and display(Print on the screen)

3. Print the string in Reverse Order . (ex: "13159 si yticym foedoc piz eht"}