Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8
Tells whether the filename is a regular file
<?php is_file(string $filename): bool
<?php     {

        $location = $this->prefixer->prefixPath($location);



        return is_file($location);

    }



    public function createDirectory(string $path, Config $config): void
<?php         $location = $this->prefixer->prefixPath($path);

        error_clear_last();



        if (is_file($location) && ($fileSize = @filesize($location)) !== false) {

            return new FileAttributes($path, $fileSize);

        }
<?php     private function loadPrivateKey(): RSA

    {

        if ("---" !== substr($this->privateKey, 0, 3) && is_file($this->privateKey)) {

            $this->privateKey = file_get_contents($this->privateKey);

        }
<?php     private function loadPrivateKey(): AsymmetricKey

    {

        if ("---" !== substr($this->privateKey, 0, 3) && is_file($this->privateKey)) {

            $this->privateKey = file_get_contents($this->privateKey);

        }