public function FeedImportMergeOverwrite::merge in Feed Import 8

Merge the new and current field values. The merge should be set in $current ref. variable

Parameters

array $current: Current field values

array $new: New field values

array $field: Field info cardinality - field cardinality compare - compare function for field value

Return value

bool True if $current was changed

Overrides FeedImportMergeField::merge

File

feed_import_base/src/FeedImportMergeOverwrite.php, line 20

Class

FeedImportMergeOverwrite

Class which overwrites values. A simple value by value comparison is made. This also overwrites values if missing from source.

Namespace

Drupal\feed_import_base

Code

public function merge(array &$current, array &$new, array &$field) {
  $cnt = count($new);
  if ($cnt != count($current)) {

    // Different number of values.
    $current = $new;
    return TRUE;
  }

  // Same number of values. Might be the same.
  $changed = FALSE;
  for ($i = 0; $i < $cnt; $i++) {
    if (!$field['compare']($new[$i], $current[$i])) {
      $current[$i] = $new[$i];
      $changed = TRUE;
    }
  }
  return $changed;
}