PHP.net redirect to english

redirects to English version of the documentation
当前为 2019-01-31 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         PHP.net redirect to english
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  redirects to English version of the documentation
// @author       adamaru
// @match        http://php.net/*
// @match        https://secure.php.net/*
// @grant        none
// @run-at       document-end
// ==/UserScript==

(function() {
    'use strict';
    const changeLanguageForm = $('#changelang');
    if(!changeLanguageForm){
        return;
    }

    const changeLanguageSelect = changeLanguageForm.find('select');
    if(!changeLanguageSelect){
        return;
    }

    const selectedOption = changeLanguageSelect.children('option:selected');
    const selectedLanguage = selectedOption.text();
    if(selectedLanguage === 'English'){
        return;
    }

    const options = changeLanguageSelect.children('option');
    let englishOption = null;
    for(let i = 0; i < options.length; ++i){
        let $option = $(options[i]);
        if($option.text() === 'English'){
            englishOption = $option;
            break;
        }
    }

    if(!englishOption){
        return;
    }

    const englishLanguageOptionValue = englishOption.val();
    changeLanguageSelect.val(englishLanguageOptionValue);
    changeLanguageForm.submit();
})();