PHP Functions
What will be the output of the following PHP code ?
function A1($x) { switch($x) {
case 1:
//this statement is the same as
if($x == 1)
echo 'Case 1 was executed.';
break;
case 2:
//this statement is the same as
if($x == 2)
echo 'Case 2 was executed.';
break;
case 3:
//this statement is the same as
if($x == 3)
echo 'Case 3 was executed.';
break;
case 4:
//this statement is the same as
if($x == 4)
echo 'Case 4 was executed.';
break;
default:
//this statement is the same as if $x does not equal the other conditions
echo 'Default was executed.';
break;
}
}
A1(9);

Case 2 was executed
Case 4 was executed
Case 1 was executed
Default was executed

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PHP Functions
What will be the output of the following PHP code ?
function addFunction($num1, $num2)
{
$sum = $num1 + $num2;
return $sum;
}
$return_value = addFunction(10, 20);
echo "Returned value from the function : " .$return_value

Returned value from the function :
Returned value from the function : $return_value
Returned value from the function : 30
Error

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