<documentation title="Unconditional If Statements"> <standard> <![CDATA[ If statements that are always evaluated should not be used. ]]> </standard> <code_comparison> <code title="Valid: An if statement that only executes conditionally."> <![CDATA[ if (<em>$test</em>) { $var = 1; } ]]> </code> <code title="Invalid: An if statement that is always performed."> <![CDATA[ if (<em>true</em>) { $var = 1; } ]]> </code> </code_comparison> <code_comparison> <code title="Valid: An if statement that only executes conditionally."> <![CDATA[ if (<em>$test</em>) { $var = 1; } ]]> </code> <code title="Invalid: An if statement that is never performed."> <![CDATA[ if (<em>false</em>) { $var = 1; } ]]> </code> </code_comparison> </documentation>