ok
Mini Shell
<?php
/*
* This file is part of the DebugBar package.
*
* (c) 2013 Maxime Bouroumeau-Fuseau
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace DebugBar\Storage;
/**
* Stores collected data into files
*/
class FileStorage implements StorageInterface
{
protected $dirname;
/**
* @param string $dirname Directories where to store files
*/
public function __construct($dirname)
{
$this->dirname = rtrim($dirname, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR;
}
/**
* {@inheritdoc}
*/
public function save($id, $data)
{
if (!file_exists($this->dirname)) {
mkdir($this->dirname, 0777, true);
}
file_put_contents($this->makeFilename($id), json_encode($data));
}
/**
* {@inheritdoc}
*/
public function get($id)
{
return json_decode(file_get_contents($this->makeFilename($id)), true);
}
/**
* {@inheritdoc}
*/
public function find(array $filters = array(), $max = 20, $offset = 0)
{
//Loop through all .json files and remember the modified time and id.
$files = array();
foreach (new \DirectoryIterator($this->dirname) as $file) {
if ($file->getExtension() == 'json') {
$files[] = array(
'time' => $file->getMTime(),
'id' => $file->getBasename('.json')
);
}
}
//Sort the files, newest first
usort($files, function ($a, $b) {
return $a['time'] <=> $b['time'];
});
//Load the metadata and filter the results.
$results = array();
$i = 0;
foreach ($files as $file) {
//When filter is empty, skip loading the offset
if ($i++ < $offset && empty($filters)) {
$results[] = null;
continue;
}
$data = $this->get($file['id']);
$meta = $data['__meta'];
unset($data);
if ($this->filter($meta, $filters)) {
$results[] = $meta;
}
if (count($results) >= ($max + $offset)) {
break;
}
}
return array_slice($results, $offset, $max);
}
/**
* Filter the metadata for matches.
*
* @param array $meta
* @param array $filters
* @return bool
*/
protected function filter($meta, $filters)
{
foreach ($filters as $key => $value) {
if (!isset($meta[$key]) || fnmatch($value, $meta[$key]) === false) {
return false;
}
}
return true;
}
/**
* {@inheritdoc}
*/
public function clear()
{
foreach (new \DirectoryIterator($this->dirname) as $file) {
if (substr($file->getFilename(), 0, 1) !== '.') {
unlink($file->getPathname());
}
}
}
/**
* @param string $id
* @return string
*/
public function makeFilename($id)
{
return $this->dirname . basename($id). ".json";
}
}
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