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PHP Quiz PHP CertificatePHP 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));
?>
$number="5-2+3pp";
var_dump(filter_var($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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