Monday, August 3, 2009

ZEND PREP :returning function in php

we can get a result from a function only by using return or echo keywords. so, if there is no return or echo,then the function will not give any output. let's zend mock certification question for php 5.

Question:

What is the output of the following?



Answer:

1. 0
2. 36
3. 6
4. 30
5. 5
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2 comments:

Augusto Morais said...

there is a error in your comment. echo didnt return anything. print returns.

Unknown said...

In my comments i didn't anything that echo returns. what i say is that a function will show a result if you have either echo language construct or return keyword in your function.

By the way,thanks for your comments.