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function signaturefield_field_is_empty in SignatureField 7.2

Same name and namespace in other branches
  1. 7 includes/field.inc \signaturefield_field_is_empty()

Implements hook_field_is_empty().

hook_field_is_emtpy() is where Drupal asks us if this field is empty. Return TRUE if it does not contain data, FALSE if it does. This lets the form API flag an error when required fields are empty.

File

includes/field.inc, line 58
Content module integration.

Code

function signaturefield_field_is_empty($item, $field) {
  return empty($item['data']);
}