daux.io/libs/Cache.php
2018-06-06 23:20:29 +02:00

95 lignes
2.1 KiB
PHP

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