PHP FILTER_SANITIZE_NUMBER_INT Filter

PHP Filter Information

Definition and Usage

The FILTER_SANITIZE_NUMBER_INT filter removes all illegal characters from numbers.

This filter allows all numbers as well as +-.

  • Name: "number_int"
  • ID-number: 519

Example

<?php

var_dump(filter_var($number, FILTER_SANITIZE_NUMBER_INT));
?>

Output:

string(5) "5-2+3"

PHP Filter Information