It has many cases:
-
check the character encoding in
wp-config.php
.define('DB_CHARSET', 'utf8'); define('DB_COLLATE', '');
-
check database character encoding
-
check if the font you use supporting Thai letters
It has many cases:
check the character encoding in wp-config.php
.
define('DB_CHARSET', 'utf8');
define('DB_COLLATE', '');
check database character encoding
check if the font you use supporting Thai letters