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PHP Functions

PHP Functions
The below statement will return.$Var = substr(""abcdef"", -4, 1);

returns "f"
returns "d"
returns "c"
returns "cd"

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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();

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

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PHP Functions
What will be the output of the following PHP code?
$op2 = "blabla"; function foo($op1) {
echo $op1;
echo $op2;
}
foo("hello");

helloblablablabla
Error
helloblabla
hello

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

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);

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

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PHP Functions
Which of the following are valid function names?
1. function()
2. €()
3. .function()
4. $function()

All of the mentioned
3 and 4
None of the mentioned
Only 2

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