120 regels
2.6 KiB
PHP
120 regels
2.6 KiB
PHP
<?php namespace Todaymade\Daux;
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use Symfony\Component\Console\Output\OutputInterface;
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use Todaymade\Daux\Daux;
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class Cache
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{
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static $printed = false;
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public static function getDirectory()
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{
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$dir = sys_get_temp_dir() . DIRECTORY_SEPARATOR . "dauxio" . DIRECTORY_SEPARATOR;
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if (!Cache::$printed) {
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Cache::$printed = true;
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Daux::writeln("Using cache dir '$dir'", OutputInterface::VERBOSITY_VERBOSE);
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}
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return $dir;
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}
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/**
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* Store an item in the cache for a given number of minutes.
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*
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* @param string $key
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* @param mixed $value
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* @return void
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*/
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public static function put($key, $value)
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{
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Cache::ensureCacheDirectoryExists($path = Cache::path($key));
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file_put_contents($path, $value);
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}
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/**
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* Create the file cache directory if necessary.
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*
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* @param string $path
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* @return void
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*/
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protected static function ensureCacheDirectoryExists($path)
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{
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$parent = dirname($path);
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if (!file_exists($parent)) {
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mkdir($parent, 0777, true);
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}
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}
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/**
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* Remove an item from the cache.
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*
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* @param string $key
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* @return bool
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*/
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public static function forget($key)
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{
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$path = Cache::path($key);
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if (file_exists($path)) {
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return unlink($path);
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}
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return false;
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}
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/**
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* Retrieve an item from the cache by key.
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*
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* @param string|array $key
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* @return mixed
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*/
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public static function get($key)
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{
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$path = Cache::path($key);
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if (file_exists($path)) {
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return file_get_contents($path);
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}
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return null;
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}
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/**
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* Get the full path for the given cache key.
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*
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* @param string $key
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* @return string
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*/
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protected static function path($key)
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{
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$parts = array_slice(str_split($hash = sha1($key), 2), 0, 2);
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return Cache::getDirectory() . '/' . implode('/', $parts) . '/' . $hash;
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}
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public static function clear()
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{
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Cache::rrmdir(Cache::getDirectory());
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}
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protected static function rrmdir($dir)
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{
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if (is_dir($dir)) {
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$objects = scandir($dir);
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foreach ($objects as $object) {
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if ($object != "." && $object != "..") {
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if (is_dir($dir . "/" . $object)) {
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Cache::rrmdir($dir . "/" . $object);
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} else {
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unlink($dir . "/" . $object);
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}
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}
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}
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rmdir($dir);
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}
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}
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}
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