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PHP Functions

PHP Functions
Which one of the following PHP functions can be used to find files?

fold()
glob()
get_file()
file()

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

No Output
Error
10
None of the Mentioned

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PHP Functions
What will be the output of the following PHP code?
function one() {
echo " this works";
function two() {
echo "this too works";
}
}
one();
two();

this worksthis too works
error
this works
this works this too works

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PHP Functions
What will be the output of the following PHP code?
function calc($price, $tax="") {
$total = $price + ($price * $tax);
echo "$total";
}
calc(42);

0
84
Error
42

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PHP Functions
What will be the output of the following PHP code ?
function movie($int)
{
$movies = array("Fight Club", "Kill Bill", "Pulp Fiction");
echo "You Do Not Talk About ". $movie[$integer];
}
movie(0);

You Do Not Talk About Pulp Fiction
None of the mentioned
You Do Not Talk About Fight Club
I

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PHP Functions
What will be the output of the following PHP code ?
function calc($num1, $num2)
{
$total = $num1 * $num2;
return $total;
}
$result = calc(42, 0);
echo $result;

Error
42
84
0

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