public function Sql::getSourceIdsHash

Retrieves the hash of the source identifier values.

@internal

Parameters

array $source_id_values: The source identifiers

Return value

string A hash containing the hashed values of the source identifiers.

File

core/modules/migrate/src/Plugin/migrate/id_map/Sql.php, line 223

Class

Sql

Namespace

Code

public function getSourceIdsHash(array $source_id_values) {

  // When looking up the destination ID we require an array with both the
  // source key and value, e.g. ['nid' => 41]. In this case, $source_id_values
  // need to be ordered the same order as $this->sourceIdFields().
  // However, the Migration process plugin doesn't currently have a way to get
  // the source key so we presume the values have been passed through in the
  // correct order.
  if (!isset($source_id_values[0])) {
    $source_id_values_keyed = [];
    foreach ($this
      ->sourceIdFields() as $field_name => $source_id) {
      $source_id_values_keyed[] = $source_id_values[$field_name];
    }
    $source_id_values = $source_id_values_keyed;
  }
  return hash('sha256', serialize(array_map('strval', $source_id_values)));
}