<?php
# PHP
$dbh = new PDO('mysql:host=localhost;dbname=testdb', 'test', 'test');

# $c = pack("CC", 195, 164); # ä
$c = "ᎤࢣࣘဃလͶ᠓ᠴᡠᣲ";

$sql = "insert into test (text) values('$c')";

$sth = $dbh->query($sql);