PHP FILTER_VALIDATE_INT Filter

What is FILTER_VALIDATE_INT in PHP?

Explanation

PHP FILTER_VALIDATE_INT is used to check whether the given integer value is valid or not.
Name: "int"
ID-number: 257

Possible options and flags:


min_range specifies the minimum integer value
max_range specifies the maximum integer value
FILTER_FLAG_ALLOW_OCTAL allows octal number values
FILTER_FLAG_ALLOW_HEX allows hexadecimal number values

Example :


<?php
$val=25;
$opt = array("options"=>
array("min_range"=>0, "max_range"=>70));
if(filter_var($val, FILTER_VALIDATE_INT, $opt))
{
echo "Valid Integer Value";
}
else
{
echo "Invalid Integer";
}
?>

Result :

Valid Integer Value

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