public function leaveNode(Node $node)
{
$type = $node->getType();
if ($type == "Expr_BinaryOp_Concat") {
if ($node->right) {
//转为symbol
$right_symbol = SymbolUtils::getSymbolByNode($node->right);
$right_symbol != null && array_push($this->items, $right_symbol);
}
if ($node->left->getType() != "Expr_BinaryOp_Concat") {
$left_symbol = SymbolUtils::getSymbolByNode($node->left);
$left_symbol != null && array_push($this->items, $left_symbol);
}
} else {
if ($type == "Scalar_Encapsed") {
foreach ($node->parts as $item) {
if (!is_object($item)) {
$valueSymbol = new ValueSymbol();
$valueSymbol->setValue($item);
$valueSymbol != null && array_push($this->items, $valueSymbol);
} else {
$setItem = SymbolUtils::getSymbolByNode($item);
$setItem != null && array_push($this->items, $setItem);
}
}
}
}
}
