public function getAllChildren(): array
    {
        $children = [];

        foreach ($this->literalChildrenByValue as $childNode) {
            $children[] = $childNode;
        }

        foreach ($this->variableChildren as $childNode) {
            $children[] = $childNode;
        }

        return $children;
    }
public function getAllChildren(): array
    {
        $children = [];

        foreach ($this->literalChildrenByValue as $childNode) {
            $children[] = $childNode;
        }

        foreach ($this->variableChildren as $childNode) {
            $children[] = $childNode;
        }

        return $children;
    }
public function getAllChildren ( ) : array { $ children = [ ] ; foreach ( $ this -> literalChildrenByValue as $ childNode ) { $ children [ ] = $ childNode ; } foreach ( $ this -> variableChildren as $ childNode ) { $ children [ ] = $ childNode ; } return $ children ; }
Gets all the child nodes

@return TrieNode[] The child nodes
Gets all the child nodes