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PHP Functions

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;

84
Error
0
42

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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";
}
}
b();

Error
My favourite TV show isI am here to spoil this code
None of the mentioned
I am here to spoil this code

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PHP Functions
What will be the output of the following PHP code ?
function string()
{
echo strstr("Hello world!", 111);
}
string();

111
Hello world!
o world!
No Output

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PHP Functions
Type Hinting was introduced in which version of PHP?

PHP 5
PHP 6
PHP 4
PHP 5.3

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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();

Error
I am bI am a
I am b
I am a Error

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PHP Functions
What will be the output of the following PHP code?
echo stripos("I love php, I love php too!","PHP");

3
10
7
8

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