1
<documentation title="Unused function parameters">
4
All parameters in a functions signature should be used within the function.
8
<code title="Valid: All the parameters are used.">
10
function addThree($a, $b, $c)
12
return <em>$a + $b + $c</em>;
16
<code title="Invalid: One of the parameters is not being used.">
18
function addThree($a, $b, $c)
20
return <em>$a + $b</em>;