69 lines
1.6 KiB
PHP
69 lines
1.6 KiB
PHP
|
<?php defined('SYSPATH') or die('No direct script access.');
|
||
|
|
/**
|
||
|
|
* UTF8::from_unicode
|
||
|
|
*
|
||
|
|
* @package Kohana
|
||
|
|
* @author Kohana Team
|
||
|
|
* @copyright (c) 2007-2010 Kohana Team
|
||
|
|
* @copyright (c) 2005 Harry Fuecks
|
||
|
|
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
|
||
|
|
*/
|
||
|
|
function _from_unicode($arr)
|
||
|
|
{
|
||
|
|
ob_start();
|
||
|
|
|
||
|
|
$keys = array_keys($arr);
|
||
|
|
|
||
|
|
foreach ($keys as $k)
|
||
|
|
{
|
||
|
|
// ASCII range (including control chars)
|
||
|
|
if (($arr[$k] >= 0) AND ($arr[$k] <= 0x007f))
|
||
|
|
{
|
||
|
|
echo chr($arr[$k]);
|
||
|
|
}
|
||
|
|
// 2 byte sequence
|
||
|
|
elseif ($arr[$k] <= 0x07ff)
|
||
|
|
{
|
||
|
|
echo chr(0xc0 | ($arr[$k] >> 6));
|
||
|
|
echo chr(0x80 | ($arr[$k] & 0x003f));
|
||
|
|
}
|
||
|
|
// Byte order mark (skip)
|
||
|
|
elseif ($arr[$k] == 0xFEFF)
|
||
|
|
{
|
||
|
|
// nop -- zap the BOM
|
||
|
|
}
|
||
|
|
// Test for illegal surrogates
|
||
|
|
elseif ($arr[$k] >= 0xD800 AND $arr[$k] <= 0xDFFF)
|
||
|
|
{
|
||
|
|
// Found a surrogate
|
||
|
|
trigger_error('UTF8::from_unicode: Illegal surrogate at index: '.$k.', value: '.$arr[$k], E_USER_WARNING);
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
// 3 byte sequence
|
||
|
|
elseif ($arr[$k] <= 0xffff)
|
||
|
|
{
|
||
|
|
echo chr(0xe0 | ($arr[$k] >> 12));
|
||
|
|
echo chr(0x80 | (($arr[$k] >> 6) & 0x003f));
|
||
|
|
echo chr(0x80 | ($arr[$k] & 0x003f));
|
||
|
|
}
|
||
|
|
// 4 byte sequence
|
||
|
|
elseif ($arr[$k] <= 0x10ffff)
|
||
|
|
{
|
||
|
|
echo chr(0xf0 | ($arr[$k] >> 18));
|
||
|
|
echo chr(0x80 | (($arr[$k] >> 12) & 0x3f));
|
||
|
|
echo chr(0x80 | (($arr[$k] >> 6) & 0x3f));
|
||
|
|
echo chr(0x80 | ($arr[$k] & 0x3f));
|
||
|
|
}
|
||
|
|
// Out of range
|
||
|
|
else
|
||
|
|
{
|
||
|
|
trigger_error('UTF8::from_unicode: Codepoint out of Unicode range at index: '.$k.', value: '.$arr[$k], E_USER_WARNING);
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$result = ob_get_contents();
|
||
|
|
ob_end_clean();
|
||
|
|
return $result;
|
||
|
|
}
|