src/FS/File/Cache.php
protected function isValidFile( $uri )
	{
		if( !file_exists( $uri ) )
			return FALSE;
		if( !$this->expires )
			return TRUE;
		return !$this->isExpired( $uri, $this->expires );
	}
protected function isValidFile( $uri )
	{
		if( !file_exists( $uri ) )
			return FALSE;
		if( !$this->expires )
			return TRUE;
		return !$this->isExpired( $uri, $this->expires );
	}
protected function isValidFile ( $ uri ) { if ( ! file_exists ( $ uri ) ) return FALSE ; if ( ! $ this -> expires ) return TRUE ; return ! $ this -> isExpired ( $ uri , $ this -> expires ) ; }
Indicates whether a Cache File is existing and not expired.
@access		protected
@param		string		$uri			URI of Cache File
@return		bool
Indicates whether a Cache File is existing and not expired .