function ForeignKey::toArray

Overrides KeyBase::toArray

File

core/lib/Drupal/Core/Database/SchemaDefinition/ForeignKey.php, line 65

Class

ForeignKey

Describes a database foreign key.

Namespace

Code

public function toArray() : array {
  $match = [];
  for ($i = 0; $i < count($this->columns); $i++) {
    $localColumnName = $this->columns[$i]->name;
    $foreignColumnName = $this->foreignColumns[$i]->name;
    $match[$localColumnName] = $foreignColumnName;
  }
  return [
    'table' => $this->foreignTable,
    'columns' => $match,
  ];
}