<?php
namespace Vensko;
Utf8::$asciiRange = array_fill_keys(range(0, 127), true);
class Utf8
{
const UTF16BE_BOM = "þÿ";
const UTF16LE_BOM = "ÿþ";
const UTF8_BOM = "";
const UTF7_BOM = "+/v";
const UTF32BE_BOM = "þÿ";
const UTF32LE_BOM = "ÿþ";
const ASCII = 'ASCII';
const UTF8 = 'UTF-8';
const UTF7 = 'UTF-7';
const UTF16BE = 'UTF-16BE';
const UTF16LE = 'UTF-16LE';
const UTF32BE = 'UTF-32BE';
const UTF32LE = 'UTF-32LE';
const CP1250 = 'Windows-1250';
const CP1251 = 'Windows-1251';
const CP1252 = 'Windows-1252';
public static $asciiRange = [];
/**
* Ensures that a string is UTF-8 encoded
*
* @param string|$str
* @param string|null $fromEncoding
* @param bool $force
* @return string
