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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;

42
84
Error
0

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PHP Functions
What will be the output of the following PHP code?
echo ord ("hi");

106
209
103
104

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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
8
7

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PHP Functions
What will be the output of the following PHP code?
function sum($num1, $num2) {
$total = $num1 + $num2;
echo "chr($total)";
}
$var1 = "sum";
$var1(5, 44);

Error
1
Sum
49

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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");

helloblabla
helloblablablabla
error
hello

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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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