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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
0.5
1

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PHP Functions
What will be the output of the following PHP code?
echo lcfirst("welcome to India");

welcome to india
Welcome to india
Welcome to India
welcome to India

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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
What will be the output of the following PHP code ?
function start($string)
{
if ($string < 45)
return 20;
else
return 40;
}
$t = start(90);
if ($t < 20)
{
echo "Have a good day!";
}
else
{
echo "Have a good night!";}

ERROR
None of the mentioned
Have a good night!
Have a good day!

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PHP Functions
What will be the output of the following PHP code?
echo(atan(0.50));

0.46364760900081
0.23568451142521
1
0.11845976421345

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PHP Functions
What will be the output of the following PHP code?
echo lcfirst("welcome to my India");

welcome to my India
Welcome to my india
welcome to my india
Welcome to my India

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