_element_sort

Function used by uasort in drupal_render() to sort structured arrays by weight.

Related topics

Input validation

Functions to validate user input.

File

includes/common.inc, line 2342

Common functions that many Drupal modules will need to reference.

Code

<?php
function _element_sort($a, $b) {
  $a_weight = (is_array($a) && isset($a['#weight'])) ? $a['#weight'] : 0;
  $b_weight = (is_array($b) && isset($b['#weight'])) ? $b['#weight'] : 0;
  if ($a_weight == $b_weight) {
    return 0;
  }
  return ($a_weight < $b_weight) ? -1 : 1;
}
?>