note 43721 added to function.ord
| From: | ng4rrjanbiah at rediffmail dot com | Date: | Thu, 01 Jul 2004 08:26:13 +0000 |
| Subject: | note 43721 added to function.ord | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-72234@lists.php.net to get a copy of this message | ||
uniord() function like "v0rbiz at yahoo dot com" (Note# 42778), but without using mbstring
<?php
/**
* @Algorithm http://www1.tip.nl/~t876506/utf8tbl.html
* @Logic UTF-8 to Unicode conversion
**/
function uniord($c)
{
$ud = 0;
if (ord($c{0})>=0 && ord($c{0})<=127)
$ud = $c{0};
if (ord($c{0})>=192 && ord($c{0})<=223)
$ud = (ord($c{0})-192)*64 + (ord($c{1})-128);
if (ord($c{0})>=224 && ord($c{0})<=239)
$ud = (ord($c{0})-224)*4096 + (ord($c{1})-128)*64 + (ord($c{2})-128);
if (ord($c{0})>=240 && ord($c{0})<=247)
$ud = (ord($c{0})-240)*262144 + (ord($c{1})-128)*4096 + (ord($c{2})-128)*64 + (ord($c{3})-128);
if (ord($c{0})>=248 && ord($c{0})<=251)
$ud = (ord($c{0})-248)*16777216 + (ord($c{1})-128)*262144 + (ord($c{2})-128)*4096 +
(ord($c{3})-128)*64 + (ord($c{4})-128);
if (ord($c{0})>=252 && ord($c{0})<=253)
$ud = (ord($c{0})-252)*1073741824 + (ord($c{1})-128)*16777216 + (ord($c{2})-128)*262144 +
(ord($c{3})-128)*4096 + (ord($c{4})-128)*64 + (ord($c{5})-128);
if (ord($c{0})>=254 && ord($c{0})<=255) //error
$ud = false;
return $ud;
}
?>
HTH,
R. Rajesh Jeba Anbiah
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