PHP Functions
Which one of the following is the right way of defining a function in PHP?

function fumctionName(parameters) { function body }
function { function body }
functionName(parameters) { function body }
data type functionName(parameters) { function body }

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

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