protected function EntityUnitTestBase::generateRandomEntityId in Drupal 8

Generates a random ID avoiding collisions.

Parameters

bool $string: (optional) Whether the id should have string type. Defaults to FALSE.

Return value

int|string The entity identifier.

File

core/modules/system/src/Tests/Entity/EntityUnitTestBase.php, line 197

Class

EntityUnitTestBase

Defines an abstract test base for entity unit tests.

Namespace

Drupal\system\Tests\Entity

Code

protected function generateRandomEntityId($string = FALSE) {
  srand(time());
  do {

    // 0x7FFFFFFF is the maximum allowed value for integers that works for all
    // Drupal supported databases and is known to work for other databases
    // like SQL Server 2014 and Oracle 10 too.
    $id = $string ? $this
      ->randomMachineName() : mt_rand(1, 0x7fffffff);
  } while (isset($this->generatedIds[$id]));
  $this->generatedIds[$id] = $id;
  return $id;
}