function views_aggregator_minimum in Views Aggregator Plus 7

Same name and namespace in other branches

1. 8 views_aggregator_functions.inc \views_aggregator_minimum()

Aggregates a field group as the minimum across its members.

Parameters

array $groups: An array of groups of rows, each group indexed by group value.

object $field_handler: The handler for the view column to find the minimum groups member in.

Return value

array An array of values, one for each group, plus the 'column' group.

File

./views_aggregator_functions.inc, line 514

views_aggregator_functions.inc

Code

function views_aggregator_minimum($groups, $field_handler) {
  $values = array();
  foreach ($groups as $group => $rows) {
    $is_first = TRUE;
    $minimum = NULL;
    foreach ($rows as $num => $row) {
      $value = views_aggregator_get_cell($field_handler, $num, FALSE);

      // Ignore empty strings.
      if (isset($value) && trim($value) != '') {
        if ($is_first) {
          $minimum = $value;
          $is_first = FALSE;
        }
        elseif ($value < $minimum) {
          $minimum = $value;
        }
      }
    }
    if (isset($minimum)) {
      $values[$group] = $minimum;
      if (!isset($minimum_column) || $minimum < $minimum_column) {
        $minimum_column = $minimum;
      }
    }
  }
  if (isset($minimum_column)) {
    $values['column'] = $minimum_column;
  }
  return $values;
}