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PHP Functions

PHP Functions
Returning values from functions may include .....

Objects
Arrays
Both A & B
None of above

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PHP Functions
What will be the output of the following PHP code ?
function _func()
{
echo "Hello World";
}
_func();

ERROR
Hello World
None of the mentioned
No Output

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PHP Functions
A function in PHP which starts with ______ (double underscore) is know as.

Magic Function
Default Function
Inbuilt Function
User Defined Function

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PHP Functions
What will be the output of the following PHP code?
function a() {
function b() {
echo 'I am b';
}
echo 'I am a';
}
a();
a();

Error
I am bI am a
I am a Error
I am b

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PHP Functions
Which of the following PHP functions can be used to get the current memory usage?

get_memory_peak_usage()
get_usage()
get_memory_usage()
get_peak_usage()

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PHP Functions
What will be the output of the following PHP code?
function a() {
function b() {
echo 'I am b';
}
echo 'I am a';
}
a();

a();

I am b
I am bI am a
Error
I am a Error

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