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PHP Functions

PHP Functions
strlen() returns the length of the string on success and . . . . if the string is empty.

Garbage value
-1
0
NULL

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PHP Functions
What will be the output of the following PHP code ?
function constant()
{
define("GREETING", "Welcome to Narnia");
echo greeting;
}

Welcome to Narnia
GREETING
ERROR
greeting

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PHP Functions
What will be the output of the following PHP code?
echo hex2bin("48656c6c6f20576f726c6421");

welcome to india
Hello World!
This is PHP!
MCQ questons

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PHP Functions
The arguments in a function are evaluated from .....

left to right
sometimes left to right and sometimes right to left
Always right to left
right to left

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PHP Functions
What will be the output of the following PHP code ?
function mine($num)
{
$num = 2 + $num;
echo $num;
}
mine(3);

None of the mentioned
5
3
$num

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

Inbuilt Function
Default Function
Magic Function
User Defined Function

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MORE MCQ ON PHP Functions

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