ApiEndpointTrait.php

<?php
declare(strict_types=1);

/*
 * Copyright 2018 Google LLC
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 *
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 */

namespace Google\ApiCore;

/**
 * Provides helper methods for service address handling.
 */
trait ApiEndpointTrait
{
    private static $defaultPort = 443;

    /**
     * @param string $apiEndpoint
     * @return array
     * @throws ValidationException
     */
    private static function normalizeApiEndpoint(string $apiEndpoint)
    {
        $components = explode(':', $apiEndpoint);
        if (count($components) == 2) {
            // Port is included in service address
            return [$components[0], $components[1]];
        } elseif (count($components) == 1) {
            // Port is not included - append default port
            return [$components[0], self::$defaultPort];
        } else {
            throw new ValidationException("Invalid apiEndpoint: $apiEndpoint");
        }
    }
}