/**
* Converts a string into utf-8 if necessary
*/
public function toUtf8($str)
{
if (strcasecmp(Dataproxy::encoding(), 'utf-8') !== 0) {
if (is_callable('mb_convert_encoding')) {
$str = mb_convert_encoding($str, 'utf-8', Dataproxy::encoding());
} else {
if (is_callable('iconv')) {
$str = iconv(Dataproxy::encoding(), 'utf-8', $str);
} else {
if (strcasecmp(Dataproxy::encoding(), 'iso-8859-1') === 0 and is_callable('utf8_encode')) {
$str = utf8_encode($str);
} else {
COM_errorLog('Dataproxy: Error! No way to convert data into UTF-8.');
}
}
}
}
return $str;
}
