hook_field_is_empty

Versions

7

hook_field_is_empty($item, $field)

Define what constitutes an empty item for a field type.

Parameters

$item An item that may or may not be empty.

$field The field to which $item belongs.

Return value

TRUE if $field's type considers $item not to contain any data; FALSE otherwise.

Related topics

Field Types API

Define field types, widget types, display formatter types, storage types.

Code

modules/field/field.api.php, line 513

<?php
function hook_field_is_empty($item, $field) {
  if (empty($item['value']) && (string)$item['value'] !== '0') {
    return TRUE;
  }
  return FALSE;
}
?>

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