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PHP Class PHPMD\Rule\UnusedLocalVariable

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Public Methods

Method	Description
apply ( PHPMD\AbstractNode $node ) : void	This method checks that all local variables within the given function or method are used at least one time.

Protected Methods

Method	Description
doCheckNodeImage ( PHPMD\AbstractNode $node ) : void	Template method that performs the real node image check.

Private Methods

Method	Description
collectLiteral ( PHPMD\Node\ASTNode $node ) : void	Stores the given literal node in an internal list of found variables.
collectVariable ( PHPMD\Node\ASTNode $node ) : void	Stores the given variable node in an internal list of found variables.
collectVariables ( PHPMD\Node\AbstractCallableNode $node ) : void	This method collects all local variable instances from the given method/function node and stores their image in the $_images property.
isChildOf ( PHPMD\AbstractNode $node, string $type ) : boolean	Checks if the given node is a direct or indirect child of a node with the given type.
isNameAllowedInContext ( PHPMD\AbstractNode $node ) : boolean	Checks if a short name is acceptable in the current context. For the moment these contexts are the init section of a for-loop and short variable names in catch-statements.
isUnusedForeachVariableAllowed ( PHPMD\Node\ASTNode $variable ) : boolean	Checks if an unused foreach variable (key or variable) is allowed.
removeParameters ( PHPMD\Node\AbstractCallableNode $node ) : void	This method removes all variables from the $_images property that are also found in the formal parameters of the given method or/and function node.

Method Details