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function fraction_field_presave in Fraction 7

Implements hook_field_presave().

File

./fraction.field.inc, line 506
Fraction Field API functions

Code

function fraction_field_presave($entity_type, $entity, $field, $instance, $langcode, &$items) {

  // Convert decimal values to numerator and denominator.
  foreach ($items as &$item) {
    if (!empty($item['decimal'])) {

      // Only proceed if this is a base-10 number. This prevents accidentally
      // overwriting non-base-10 numerator/denominator fractions.
      // A base-10 number will have a denominator of 1 or no remainder when
      // divided by 10.
      // See https://www.drupal.org/project/fraction/issues/3109864
      if (!empty($item['denominator']) && !($item['denominator'] == 1 || $item['denominator'] % 10 == 0)) {
        continue;
      }

      // Recalculate the numerator and denominator from the decimal value.
      $fraction = fraction_from_decimal($item['decimal']);
      $item['numerator'] = $fraction
        ->getNumerator();
      $item['denominator'] = $fraction
        ->getDenominator();
    }
  }
}