Pressbooks\Modules\Export\Mpdf\Pdf::isPdf PHP Method

Verify if file has 'application/pdf' mimeType.

protected isPdf ( string $file ) : boolean
$file	string
return	boolean

    protected function isPdf($file)
    {
        $mime = static::mimeType($file);
        return strpos($mime, 'application/pdf') !== false;
    }

Pdf