How to Fix Mangled Thai Characters

It has many cases:

  1. check the character encoding in wp-config.php.

    define('DB_CHARSET', 'utf8');
    define('DB_COLLATE', '');
    
  2. check database character encoding

  3. check if the font you use supporting Thai letters

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)