function _field_filter_items

Helper function to filter out empty field values.

Parameters

$field: The field definition.

$items: The field values to filter.

Return value

The array of items without empty field values. The function also renumbers: the array keys to ensure sequential deltas.

Related topics

File

core/modules/field/field.module, line 774

Attach custom data fields to Backdrop entities.

Code

function _field_filter_items($field, $items) {
  $function = $field['module'] . '_field_is_empty';
  foreach ((array) $items as $delta => $item) {
    // Explicitly break if the function is undefined.
    if ($function($item, $field)) {
      unset($items[$delta]);
    }
  }
  return array_values($items);
}