static getByContent($content)
static getByFilePath($filePath)
static getByFilename($filename)
static normalize($contentType)
static getExtensionByMimeType(string $mimeType)
static getByFileExtension($extension)
if( $daysToExpire >=0 &&$daysToExpire< 60 elseif)( $daysToExpire< 0)