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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

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