Filter Name	Filter ID
int	257
boolean	258
float	259
validate_regexp	272
validate_url	273
validate_email	274
validate_ip	275
string	513
stripped	513
encoded	514
special_chars	515
full_special_chars	522
unsafe_raw	516
email	517
url	518
number_int	519
number_float	520
magic_quotes	521
callback	1024