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PHP Functions

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

0.5
-0.5
1
0

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PHP Functions
What will be the output of the following PHP code?
echo strtr("Hilla Warld","ia","eo");

ia
Hello World
eo
Hilla Warld

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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;

84
Error
0
42

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PHP Functions
What will be the output of the following PHP code?
echo ucwords("i love my country");

I love my Country
I love my country
i love my Country
I Love My Country

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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 bI am a
I am a Error
I am b
Error

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PHP Functions
What will be the output of the following PHP code?
function do($myString) {
echo strpos($myString, "donkey",0);
}
do("The donkey looks like a horse.");

4
5
2
None of the mentioned

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