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PHP FILTER_SANITIZE_NUMBER_INT filter

PHP Filter Reference Complete PHP Filter Reference

Definition and Usage

FILTER_SANITIZE_NUMBER_INT digital filter remove all illegal characters.

The filter allows all digital and + -

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

Examples

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

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

Output code is as follows:

string(5) "5-2+3"


PHP Filter Reference Complete PHP Filter Reference