PHP FILTER_SANITIZE_NUMBER_FLOAT Filter

The FILTER_SANITIZE_NUMBER_FLOAT filter removes all illegal characters from a float number.

This filter allows digits and + - by default

  • Name: "number_float"
  • ID-number: 520

    • Possible flags : -

  • FILTER_FLAG_ALLOW_FRACTION - Allow fraction separator (like . )
  • FILTER_FLAG_ALLOW_THOUSAND - Allow thousand separator (like , )
  • FILTER_FLAG_ALLOW_SCIENTIFIC - Allow scientific notation (like e and E)

    • Example -

    The output of the code will be : -

    string(7) "5-2+3.3"