Файл: concrete5.7.5.6/concrete/vendor/patchwork/utf8/class/Patchwork/PHP/Shim/Xml.php
Строк: 28
<?php // vi: set fenc=utf-8 ts=4 sw=4 et:
/*
* Copyright (C) 2013 Nicolas Grekas - p@tchwork.com
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the (at your option):
* Apache License v2.0 (http://apache.org/licenses/LICENSE-2.0.txt), or
* GNU General Public License v2.0 (http://gnu.org/licenses/gpl-2.0.txt).
*/
namespace PatchworkPHPShim;
/**
* utf8_encode/decode
*/
class Xml
{
static function utf8_encode($s)
{
$s .= $s;
$len = strlen($s);
for ($i = $len >> 1, $j = 0; $i < $len; ++$i, ++$j) switch (true)
{
case $s[$i] < "x80": $s[$j] = $s[$i]; break;
case $s[$i] < "xC0": $s[$j] = "xC2"; $s[++$j] = $s[$i]; break;
default: $s[$j] = "xC3"; $s[++$j] = chr(ord($s[$i]) - 64); break;
}
return substr($s, 0, $j);
}
static function utf8_decode($s)
{
$s .= '';
$len = strlen($s);
for ($i = 0, $j = 0; $i < $len; ++$i, ++$j)
{
switch ($s[$i] & "xF0")
{
case "xC0":
case "xD0":
$c = (ord($s[$i] & "x1F") << 6) | ord($s[++$i] & "x3F");
$s[$j] = $c < 256 ? chr($c) : '?';
break;
case "xF0": ++$i;
case "xE0":
$s[$j] = '?';
$i += 2;
break;
default:
$s[$j] = $s[$i];
}
}
return substr($s, 0, $j);
}
}