PHP FILTER_SANITIZE_NUMBER_INT filter
Definition and Usage
FILTER_SANITIZE_NUMBER_INT filter removes all illegal characters from numbers.
The filter allows all numbers and +-.
- Name: "number_int"
- ID-number: 519
Example
<?php
var_dump(filter_var($number, FILTER_SANITIZE_NUMBER_INT));
?>
Output:
string(5) "5-2+3"
