is_numeric

thephpleague/flysystem

Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8

Finds whether a variable is a number or a numeric string

<?php is_numeric(mixed $value): bool

<?php     private function normalizeUnixTimestamp(string $month, string $day, string $timeOrYear): int

    {

        if (is_numeric($timeOrYear)) {

            $year = $timeOrYear;

            $hour = '00';

            $minute = '00';

src/Ftp/FtpAdapter.php