public function compareChildren($a, $b)
    {
        if ($this->_children[$a]->getTotalSize() > $this->_children[$b]->getTotalSize()) {
            $node_a              = $this->_children[$a];
            $node_b              = $this->_children[$b];
            $this->_children[$a] = $node_b;
            $this->_children[$b] = $node_a;
        }
    }
public function compareChildren($a, $b)
    {
        if ($this->_children[$a]->getTotalSize() > $this->_children[$b]->getTotalSize()) {
            $node_a              = $this->_children[$a];
            $node_b              = $this->_children[$b];
            $this->_children[$a] = $node_b;
            $this->_children[$b] = $node_a;
        }
    }
public function compareChildren ( $ a , $ b ) { if ( $ this -> _children [ $ a ] -> getTotalSize ( ) > $ this -> _children [ $ b ] -> getTotalSize ( ) ) { $ node_a = $ this -> _children [ $ a ] ; $ node_b = $ this -> _children [ $ b ] ; $ this -> _children [ $ a ] = $ node_b ; $ this -> _children [ $ b ] = $ node_a ; } }
Comparator method to rank child nodes by total weight.
Comparator method to rank child nodes by total weight .