Jet\Cache_Files
A generic (abstract and not used by itself) backend cache that uses files to store data.
| Method | Importance |
|---|---|
| abstract public isActive( ) : bool | An abstract method that the backend must implement, which indicates whether the backend is active - whether it is functional and available for use. |
| protected getDataFilePath( string $entity ) : string | Returns the path to the generic data file. Uses the system configuration SysConf_Path::getCache() |
| protected readData( string $entity ) : array|null | Read the generic data from the file. Returns null if the file does not exist or is not readable. |
| protected writeData( string $entity, array $data ) : void | Writes the generic data to the file. |
| protected getHtmlFilePath( string $key ) : string | Returns the path to the file, which will contain HTML and not general data. Uses the system configuration SysConf_Path::getCache() |
| protected readHtml( string $key ) : string|null | Read HTML from the file. If the file does not exist or is not readable, it returns null. |
| protected writeHtml( string $key, string $html ) : void | Writes HTML to the file. |
| public resetDataFiles( string $prefix ) : void | Removes generic data files whose name begins with the given prefix. |
| public resetDataFile( string $key ) : void | Removes one specific record - one specific generic data file. |
| public resetHtmlFiles( string $prefix ) : void | Removes HTML files whose name begins with the given prefix. |
| public resetHtmlFile( string $key ) : void | Removes one specific record - one specific HTML file. |