The FILTER_UNSAFE_RAW filter does not do any filtering, stripping or encoding of special characters.
This filter removes data that is potentially harmful to the application. It is used to strip tags and remove or encode unwanted characters.
If no flag is specified, this filter has no behavior.
Name: "unsafe_raw"
ID-number: 516
Possible signs:
FILTER_FLAG_STRIP_LOW - strips characters with ASCII values below 32
FILTER_FLAG_STRIP_HIGH - remove characters with ASCII value above 32
FILTER_FLAG_ENCODE_LOW - Encode characters with ASCII values below 32
FILTER_FLAG_ENCODE_HIGH - Encode characters with ASCII values above 32
FILTER_FLAG_ENCODE_AMP - Encode the & character into &