PHP FILTER_SANITIZE_NUMBER_INT Filter

Complete PHP Filter Reference

Definition and Usage

The FILTER_SANITIZE_NUMBER_INT filter removes all illegal characters from a number.

This filter allows digits and . + -

• Name: "number_int"
• ID-number: 519

Example

<?php
$number="5-2+3pp";

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

The output of the code will be:

string(5) "5-2+3"

Complete PHP Filter Reference

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