php.net always in English (UserScript)

php.net.always.english.user.js

// ==UserScript==
// @name        php.net always in English
// @namespace   php.net.english
// @author matheusfaustino
// @description set always english for php.net
// @include     *php.net/manual/*/*
// @exclude     *php.net/manual/en/*
// @version     1
// @grant       none
// ==/UserScript==

var regexEn = new RegExp('en\/.+', 'i');
var formChangeLang = document.getElementById('changelang');
var selectChangeLang = document.getElementById('changelang-langs');
var englishValue = '';

for(i = 0; i < selectChangeLang.options.length && !englishValue; i++)
  if (regexEn.test(selectChangeLang.options[i].value)) {
    englishValue = selectChangeLang.options[i].value;
  }

// use window.replace here. Works better with back button browser
selectChangeLang.value = englishValue;
formChangeLang.submit()