{% else-1 %}
Автоматическое определение кодировки текста

                        
define('LOWERCASE',3);
define('UPPERCASE',1);
function detect_cyr_charset($str) {
$charsets = Array(
'k' => 0,
'w' => 0,
'd' => 0,
'i' => 0,
'm' => 0
);
for ( $i = 0, $length = strlen($str); $i < $length; $i++ ) {
$char = ord($str[$i]);
//non-russian characters
if ($char < 128 || $char > 256) continue;
//CP866
if (($char > 159 && $char < 176) || ($char > 223 && $char < 242))
$charsets['d']+=LOWERCASE;
if (($char > 127 && $char < 160)) $charsets['d']+=UPPERCASE;
//KOI8-R
if (($char > 191 && $char < 223)) $charsets['k']+=LOWERCASE;
if (($char > 222 && $char < 256)) $charsets['k']+=UPPERCASE;
//WIN-1251
if ($char > 223 && $char < 256) $charsets['w']+=LOWERCASE;
if ($char > 191 && $char < 224) $charsets['w']+=UPPERCASE;
//MAC
if ($char > 221 && $char < 255) $charsets['m']+=LOWERCASE;
if ($char > 127 && $char < 160) $charsets['m']+=UPPERCASE;
//ISO-8859-5
if ($char > 207 && $char < 240) $charsets['i']+=LOWERCASE;
if ($char > 175 && $char < 208) $charsets['i']+=UPPERCASE;
}
arsort($charsets);
return key($charsets);
}
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