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UnusedFunctionParameterStandard.xml
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<documentation title="Unused function parameters"> <standard> <![CDATA[ All parameters in a functions signature should be used within the function. ]]> </standard> <code_comparison> <code title="Valid: All the parameters are used."> <![CDATA[ function addThree($a, $b, $c) { return <em>$a + $b + $c</em>; } ]]> </code> <code title="Invalid: One of the parameters is not being used."> <![CDATA[ function addThree($a, $b, $c) { return <em>$a + $b</em>; } ]]> </code> </code_comparison> </documentation>