is_file

<?php     {

        if (is_string($this->data)) {

            try {

                return is_file($this->data);

            } catch (\Exception $e) {

                return false;

            }

<?php         $this->extension = array_key_exists('extension', $info) ? $info['extension'] : null;

        $this->filename = array_key_exists('filename', $info) ? $info['filename'] : null;



        if (file_exists($path) && is_file($path)) {

            $this->mime = finfo_file(finfo_open(FILEINFO_MIME_TYPE), $path);

        }

<?php     {

        $path = $this->basePath();



        if (file_exists($path) && is_file($path)) {

            return filesize($path);

        }

        

<?php                     foreach ($config->get('imagecache::paths') as $path) {


                        $image_path = $path.'/'.str_replace('..', '', $filename);

                        if (file_exists($image_path) && is_file($image_path)) {

                            break;

                        } else {

                            $image_path = false;