function mb_convert_encoding($s, $to, $from = null) { return p\Mbstring::mb_convert_encoding($s, $to, $from); }
function mb_decode_mimeheader($s) { return p\Mbstring::mb_decode_mimeheader($s); }
function mb_encode_mimeheader($s, $charset = null, $transferEnc = null, $lf = null, $indent = null) { return p\Mbstring::mb_encode_mimeheader($s, $charset, $transferEnc, $lf, $indent); }
function mb_convert_encoding($s, $to, $from = null) { return p\Mbstring::mb_convert_encoding($s, $to, $from); }
function mb_decode_mimeheader($s) { return p\Mbstring::mb_decode_mimeheader($s); }
function mb_encode_mimeheader($s, $charset = null, $transferEnc = null, $lf = null, $indent = null) { return p\Mbstring::mb_encode_mimeheader($s, $charset, $transferEnc, $lf, $indent); }