protected function walkFunctionDeclaration(FunctionDeclarationNode $functionDeclaration)
{
$this->declarations[$functionDeclaration->getName()] = $functionDeclaration;
$this->walkEachDisallow($functionDeclaration->getBody(), "function");
}
protected function walkFunctionDeclaration(FunctionDeclarationNode $functionDeclaration)
{
$variableNames = array();
foreach ($functionDeclaration->getBody() as $statement) {
foreach ($this->walk($statement) as $name => $_) {
$variableNames[$name] = true;
}
}
foreach ($functionDeclaration->getDefaultArguments() as $name => $argument) {
$variableNames[$name] = true;
}
return $variableNames;
}
