function _draggableviews_compare_nodes in DraggableViews 7

Same name and namespace in other branches

1. 6.3 draggableviews.inc \_draggableviews_compare_nodes()

Compare Nodes (used by uasort)

Parameters

$node1:

$node2:

Return value

< or > or ==

1 string reference to '_draggableviews_compare_nodes'

_draggableviews_sort_nodes in ./draggableviews.inc

Sort Nodes

File

./draggableviews.inc, line 1077

Draggableviews processing functions. Rough summary of what functions in this file do:

Code

function _draggableviews_compare_nodes($node1, $node2) {

  // The first difference will be significant. If they equal in each level we
  // "survive" the loop and end up with return 0.
  for ($i = 0; $i < count($node1['order']); $i++) {
    if (isset($node1['order'][$i]) && isset($node2['order'][$i])) {
      if ($node1['order'][$i] < $node2['order'][$i]) {
        return -1;
      }
      if ($node1['order'][$i] > $node2['order'][$i]) {
        return 1;
      }
    }
  }
  return 0;
}