What is a function and how do we use it in php

Reference no: EM133627745

Question No. 1
What is a function? How do we use it in PHP? Give an example of a function which returns a value and a function which does not return a value.

Question No. 2
How do we use global variables in PHP? Give examples.

Question No. 3
Can we use variable number of arguments for a function in PHP? How? Give example.

Question No. 4
What is a variable function? How can we use it PHP? Give examples.

Reference no: EM133627745

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