/**
* Make a string uppercase
*
* @param string $string The string being uppercased.
* @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used.
* @return string with all alphabetic characters converted to uppercase.
* @access public
* @static
*/
function strtoupper($string)
{
$_this =& Multibyte::getInstance();
$utf8Map = Multibyte::utf8($string);
$length = count($utf8Map);
$matched = false;
$replaced = array();
$upperCase = array();
for ($i = 0; $i < $length; $i++) {
$char = $utf8Map[$i];
if ($char < 128) {
$str = strtoupper(chr($char));
$strlen = strlen($str);
for ($ii = 0; $ii < $strlen; $ii++) {
$upper = ord(substr($str, $ii, 1));
}
$upperCase[] = $upper;
$matched = true;
} else {
$matched = false;
$keys = $_this->__find($char);
$keyCount = count($keys);
if (!empty($keys)) {
foreach ($keys as $key => $value) {
$matched = false;
$replace = 0;
if ($length > 1 && count($keys[$key]['lower']) > 1) {
$j = 0;
for ($ii = 0, $count = count($keys[$key]['lower']); $ii < $count; $ii++) {
$nextChar = $utf8Map[$i + $ii];
if (isset($nextChar) && $nextChar == $keys[$key]['lower'][$j + $ii]) {
$replace++;
}
}
if ($replace == $count) {
$upperCase[] = $keys[$key]['upper'];
$replaced = array_merge($replaced, array_values($keys[$key]['lower']));
$matched = true;
break 1;
}
} elseif ($length > 1 && $keyCount > 1) {
$j = 0;
for ($ii = 1; $ii < $keyCount; $ii++) {
$nextChar = $utf8Map[$i + $ii - 1];
if (in_array($nextChar, $keys[$ii]['lower'])) {
for ($jj = 0, $count = count($keys[$ii]['lower']); $jj < $count; $jj++) {
$nextChar = $utf8Map[$i + $jj];
if (isset($nextChar) && $nextChar == $keys[$ii]['lower'][$j + $jj]) {
$replace++;
}
}
if ($replace == $count) {
$upperCase[] = $keys[$ii]['upper'];
$replaced = array_merge($replaced, array_values($keys[$ii]['lower']));
$matched = true;
break 2;
}
}
}
}
if ($keys[$key]['lower'][0] == $char) {
$upperCase[] = $keys[$key]['upper'];
$matched = true;
break 1;
}
}
}
}
if ($matched === false && !in_array($char, $replaced, true)) {
$upperCase[] = $char;
}
}
return Multibyte::ascii($upperCase);
}
/**
* resets the utf8 map array
*
* @access private
*/
function __reset()
{
$_this =& Multibyte::getInstance();
$_this->__utf8Map = array();
}
