diff options
author | Bharat Mediratta <bharat@menalto.com> | 2009-05-28 06:11:53 +0800 |
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committer | Gallery Role Account <gallery@menalto.com> | 2009-05-28 11:07:08 +0800 |
commit | 3413fe6bfd423d45d083ff4ed62c0f72c2cc272f (patch) | |
tree | 9310d1c82838d3e5076042be48178f5d53f5d971 /system/core/utf8/from_unicode.php | |
parent | b245e3475f66c94afb94f8b2287bf0185a343732 (diff) |
Rename 'kohana' to 'system' to conform to the Kohana filesystem layout. I'm comfortable with us not clearly drawing the distinction about the fact that it's Kohana.
Signed-off-by: Gallery Role Account <gallery@menalto.com>
Diffstat (limited to 'system/core/utf8/from_unicode.php')
-rw-r--r-- | system/core/utf8/from_unicode.php | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/system/core/utf8/from_unicode.php b/system/core/utf8/from_unicode.php new file mode 100644 index 00000000..66c6742d --- /dev/null +++ b/system/core/utf8/from_unicode.php @@ -0,0 +1,68 @@ +<?php defined('SYSPATH') OR die('No direct access allowed.'); +/** + * utf8::from_unicode + * + * @package Core + * @author Kohana Team + * @copyright (c) 2007 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; +} |