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PHP Functions

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
$num
3
5

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PHP Functions
What will be the output of the following PHP code ?
$var = 10;
function one()
{
echo $var;
}
one();

Error
10
None of the Mentioned
No Output

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PHP Functions
Which of the following PHP functions can be used for generating unique id’s?

id()
mdid()
md5()
uniqueid()

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

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

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PHP Functions
. . . . . converts the keys of an array into values and the values into keys.

array_flip()
array_trans()
array_flips()
array_transpose()

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PHP Functions
What will be the output of the following PHP code?
function sum($num1, $num2) {
$total = $num1 + $num2;
echo "chr($total)";
}
$var1 = "sum";
$var1(5, 44);

1
Sum
49
Error

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