Файл: vendor/laravel/framework/src/Illuminate/Cache/SessionStore.php
Строк: 175
<?php
namespace IlluminateCache;
use IlluminateContractsCacheStore;
use IlluminateSupportCarbon;
use IlluminateSupportInteractsWithTime;
class SessionStore implements Store
{
use InteractsWithTime, RetrievesMultipleKeys;
/**
* The key for cache items.
*
* @var string
*/
public $key;
/**
* The session instance.
*
* @var IlluminateContractsSessionSession
*/
public $session;
/**
* Create a new session cache store.
*
* @param IlluminateContractsSessionSession $session
* @param string $key
*/
public function __construct($session, $key = '_cache')
{
$this->key = $key;
$this->session = $session;
}
/**
* Get all of the cached values and their expiration times.
*
* @return array<string, array{value: mixed, expiresAt: float}>
*/
public function all()
{
return $this->session->get($this->key, []);
}
/**
* Retrieve an item from the cache by key.
*
* @param string $key
* @return mixed
*/
public function get($key)
{
if (! $this->session->exists($this->itemKey($key))) {
return;
}
$item = $this->session->get($this->itemKey($key));
$expiresAt = $item['expiresAt'] ?? 0;
if ($this->isExpired($expiresAt)) {
$this->forget($key);
return;
}
return $item['value'];
}
/**
* Determine if the given expiration time is expired.
*
* @param int|float $expiresAt
* @return bool
*/
protected function isExpired($expiresAt)
{
return $expiresAt !== 0 && (Carbon::now()->getPreciseTimestamp(3) / 1000) >= $expiresAt;
}
/**
* Store an item in the cache for a given number of seconds.
*
* @param string $key
* @param mixed $value
* @param int $seconds
* @return bool
*/
public function put($key, $value, $seconds)
{
$this->session->put($this->itemKey($key), [
'value' => $value,
'expiresAt' => $this->toTimestamp($seconds),
]);
return true;
}
/**
* Get the UNIX timestamp, with milliseconds, for the given number of seconds in the future.
*
* @param int $seconds
* @return float
*/
protected function toTimestamp($seconds)
{
return $seconds > 0 ? (Carbon::now()->getPreciseTimestamp(3) / 1000) + $seconds : 0;
}
/**
* Increment the value of an item in the cache.
*
* @param string $key
* @param mixed $value
* @return int
*/
public function increment($key, $value = 1)
{
if (! is_null($existing = $this->get($key))) {
return tap(((int) $existing) + $value, function ($incremented) use ($key) {
$this->session->put($this->itemKey("{$key}.value"), $incremented);
});
}
$this->forever($key, $value);
return $value;
}
/**
* Decrement the value of an item in the cache.
*
* @param string $key
* @param mixed $value
* @return int
*/
public function decrement($key, $value = 1)
{
return $this->increment($key, $value * -1);
}
/**
* Store an item in the cache indefinitely.
*
* @param string $key
* @param mixed $value
* @return bool
*/
public function forever($key, $value)
{
return $this->put($key, $value, 0);
}
/**
* Adjust the expiration time of a cached item.
*
* @param string $key
* @param int $seconds
* @return bool
*/
public function touch($key, $seconds)
{
$value = $this->get($key);
if (is_null($value)) {
return false;
}
$this->put($key, $value, $seconds);
return true;
}
/**
* Remove an item from the cache.
*
* @param string $key
* @return bool
*/
public function forget($key)
{
if ($this->session->exists($this->itemKey($key))) {
$this->session->forget($this->itemKey($key));
return true;
}
return false;
}
/**
* Remove all items from the cache.
*
* @return bool
*/
public function flush()
{
$this->session->put($this->key, []);
return true;
}
/**
* Get the cache key prefix.
*
* @return string
*/
public function itemKey($key)
{
return "{$this->key}.{$key}";
}
/**
* Get the cache key prefix.
*
* @return string
*/
public function getPrefix()
{
return '';
}
}