File code/addon/Cache.php

class Lia\Addon\Cache

public $fqn = 'lia:server.cache';
public $dir; The dir to write cache files to
public bool $enabled = true;
public int $stale_check_frequency = 60*24; Number of minutes between stale cache checks
public $main = 'main.php'; The main file to write to & read from
if
public $configs; Key=>values that get written to disk in a single file (call $cache->write())

public function __construct($lia=null, $namenull)
public function main_file_path()
public function read() reads main key=>value pairs from disk into memory
public function write() Write main key=>value pairs to disk from memory
public function is_cache_file_valid($key) Check if: cache is enabled, cached file exists, cached file is NOT expired
public function get_cache_file_content($key) Get content of a cached file, if cache is valid
public function get_cache_file_path($key) Get path to cached file if cache is valid
public function cache_file_path($key) Get the path for a cached file
public function cache_meta_file_path($key) get the path to a meta file, which contains expiration time of cached files
public function cache_file($key, $value, $maxAge=60*60*24*5) Store $value to file by identified by $key
public function delete_stale_files() Delete stale cache files IF a stale cache check is required
public function run_delete_stale_files() Delete stale cache files (unconditional)
public function is_stale_cache_check_required() check if stale cache check is required
protected function deleteStaleCacheFiles()
public function create_dir($dir) Creates directory if it does not exist.