... both Latin 1 (iso-885 9-1 ) and the most common Unicode stan-dard (utf -8 ). However, as Figure 1-1 shows, accented characters cause major problems ifyou mix encodings. Even English-speaking Britain ... (Apress, ISBN13: 97 8-1 - 5905 9-9 0 9-9 ). Another good book is Head First Design Patterns by Eric Freeman andElizabeth Freeman (O’Reilly, ISBN13: 97 8-0 -5 9 6-0 071 2-6 ). Even though all the examples ... fields$val->isInt('age');$val->removeTags('name', 0, 0, 1);$val->checkTextLength('comments', 5, 500);$val->removeTags('comments', 0, 0, 1);$val->isEmail('email');//...