<?php namespace Aws\Sts\RegionalEndpoints; class Configuration implements ConfigurationInterface { private $endpointsType; public function __construct($endpointsType) { $this->endpointsType = strtolower($endpointsType); if (!in_array($this->endpointsType, ['legacy', 'regional'])) { throw new \InvalidArgumentException( "Configuration parameter must either be 'legacy' or 'regional'." ); } } /** * {@inheritdoc} */ public function getEndpointsType() { return $this->endpointsType; } /** * {@inheritdoc} */ public function toArray() { return [ 'endpoints_type' => $this->getEndpointsType() ]; } }