Online PHP editor | refs for WefQB

<?php $i1 = "\xd0\xb9"; $i2 = "\xd0\xb8\xcc\x86"; echo $i1, ' ', strlen($i1), ' ', mb_strlen($i1), ' ', mb_strlen(Normalizer::normalize($i1, Normalizer::NFC)), "\n"; echo $i2, ' ', strlen($i2), ' ', mb_strlen($i2), ' ', mb_strlen(Normalizer::normalize($i2, Normalizer::NFC)), "\n";