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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
0
1

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

I Love All Country
I love all Country
i love all Country
I love all country

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PHP Functions
What will happen in this function call?
function calc($price, $tax) {
$total = $price + $tax;
}
$pricetag = 15;
$taxtag = 3;
calc($pricetag, $taxtag);

Call By Value
Type Hinting
Call By Reference
Default Argument Value

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PHP Functions
What will be the output of the following PHP code?
function b() {
echo "b is executed";
}
function a()
{
b();
echo "a is executed";
b();
}
a();

b is executeda is executedb is executed
b is executeda is executed
b is executedb is executedb is executed
a is executed

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

None of the Mentioned
10
Error
No Output

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PHP Functions
What will be the output of the following PHP code ?
function TV($string)
{
echo "my favourite TV show is ".$string;
function b()
{
echo " I am here to spoil this code";
}
}
a("Sherlock");
b();

I am here to spoil this code
my favourite TV show is SherlockI am here ro spoil this code
Error
None of the mentioned

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