filter_var

Supported Versions: PHP 5 >= 5.2.0, PHP 7, PHP 8

Filters a variable with a specified filter

        <?php filter_var(mixed $value, int $filter = FILTER_DEFAULT, array|int $options = 0): mixed
    

<?php                 if (\function_exists('filter_var')) {

                    $filtered = \filter_var($hexNumberString[1], \FILTER_VALIDATE_INT, \FILTER_FLAG_ALLOW_HEX);

                    if ($filtered !== false) {

                        $content = $filtered;

                    }

PHPCompatibility/Sniff.php