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PHP FILTER_UNSAFE_RAW Filter

PHP Filter Reference

Complete PHP Filter Reference

Definition and Usage

The FILTER_UNSAFE_RAW filter does nothing, or encodes and strips specified characters.

This filter removes data that is potentially harmful for your application. It is used to strip tags and remove or encode unwanted characters.

This filter does nothing if no flags are specified

Name: "unsafe_raw"
ID-number: 516

Possible flags:

FILTER_FLAG_STRIP_LOW - Strip characters with ASCII value below 32
FILTER_FLAG_STRIP_HIGH - Strip characters with ASCII value above 32
FILTER_FLAG_ENCODE_LOW - Encode characters with ASCII value below 32
FILTER_FLAG_ENCODE_HIGH - Encode characters with ASCII value above 32
FILTER_FLAG_ENCODE_AMP - Encode the & character to &

PHP Filter Reference

Complete PHP Filter Reference