lacemi/vendor/facebook/webdriver/lib/Chrome/ChromeDriverService.php

<?php
// Copyright 2004-present Facebook. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

namespace Facebook\WebDriver\Chrome;

use Facebook\WebDriver\Remote\Service\DriverService;

class ChromeDriverService extends DriverService
{
    // The environment variable storing the path to the chrome driver executable.
    const CHROME_DRIVER_EXE_PROPERTY = 'webdriver.chrome.driver';

    /**
     * @return static
     */
    public static function createDefaultService()
    {
        $exe = getenv(self::CHROME_DRIVER_EXE_PROPERTY);
        $port = 9515; // TODO: Get another port if the default port is used.
        $args = ["--port=$port"];
        $service = new static($exe, $port, $args);

        return $service;
    }
}