<?php
class LtStoreMemory implements LtStore
{
protected $stack;
public function add($key, $value)
{
if (isset($this->stack[$key]))
{
return false;
}
else
{
$this->stack[$key] = $value;
return true;
}
}
public function del($key)
{
if (isset($this->stack[$key]))
{
unset($this->stack[$key]);
return true;
}
else
{
return false;
}
}
public function get($key)
{
return isset($this->stack[$key]) ? $this->stack[$key] : false;
}
public function update($key, $value)
{
if (!isset($this->stack[$key]))
{
return false;
}
else
{
$this->stack[$key] = $value;
return true;
}
}
}