You are here

function fraction_field_is_empty in Fraction 7

Implements hook_field_is_empty().

1 call to fraction_field_is_empty()
fraction_field_widget_form in ./fraction.field.inc
Implements hook_field_widget_form().

File

./fraction.field.inc, line 149
Fraction Field API functions

Code

function fraction_field_is_empty($item, $field) {

  // This field is empty if:
  //   a) numerator is not set, or
  //   b) denominator is not set, or
  //   c) denominator is empty (eg: zero), or
  //   d) numerator is an empty string
  return !isset($item['numerator']) || !isset($item['denominator']) || empty($item['denominator']) || (string) $item['numerator'] === '';
}