public static function _utf8_ireplace($search, $replace, $str, $count = NULL)
{
if (!is_array($search)) {
$slen = strlen($search);
$lendif = strlen($replace) - $slen;
if ($slen == 0) {
return $str;
}
$search = JString::strtolower($search);
$search = preg_quote($search, '/');
$lstr = JString::strtolower($str);
$i = 0;
$matched = 0;
while (preg_match('/(.*)' . $search . '/Us', $lstr, $matches)) {
if ($i === $count) {
break;
}
$mlen = strlen($matches[0]);
$lstr = substr($lstr, $mlen);
$str = substr_replace($str, $replace, $matched + strlen($matches[1]), $slen);
$matched += $mlen + $lendif;
$i++;
}
return $str;
} else {
foreach (array_keys($search) as $k) {
if (is_array($replace)) {
if (array_key_exists($k, $replace)) {
$str = CString::_utf8_ireplace($search[$k], $replace[$k], $str, $count);
} else {
$str = CString::_utf8_ireplace($search[$k], '', $str, $count);
}
} else {
$str = CString::_utf8_ireplace($search[$k], $replace, $str, $count);
}
}
return $str;
}
}
