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<?php

namespace Illuminate\Cache;

class ApcWrapper
{
    /**
     * Indicates if APCu is supported.
     *
     * @var bool
     */
    protected $apcu = false;

    /**
     * Create a new APC wrapper instance.
     *
     * @return void
     */
    public function __construct()
    {
        $this->apcu = function_exists('apcu_fetch');
    }

    /**
     * Get an item from the cache.
     *
     * @param  string  $key
     * @return mixed
     */
    public function get($key)
    {
        return $this->apcu ? apcu_fetch($key) : apc_fetch($key);
    }

    /**
     * Store an item in the cache.
     *
     * @param  string  $key
     * @param  mixed  $value
     * @param  int  $seconds
     * @return array|bool
     */
    public function put($key, $value, $seconds)
    {
        return $this->apcu ? apcu_store($key, $value, $seconds) : apc_store($key, $value, $seconds);
    }

    /**
     * Increment the value of an item in the cache.
     *
     * @param  string  $key
     * @param  mixed  $value
     * @return int|bool
     */
    public function increment($key, $value)
    {
        return $this->apcu ? apcu_inc($key, $value) : apc_inc($key, $value);
    }

    /**
     * Decrement the value of an item in the cache.
     *
     * @param  string  $key
     * @param  mixed  $value
     * @return int|bool
     */
    public function decrement($key, $value)
    {
        return $this->apcu ? apcu_dec($key, $value) : apc_dec($key, $value);
    }

    /**
     * Remove an item from the cache.
     *
     * @param  string  $key
     * @return bool
     */
    public function delete($key)
    {
        return $this->apcu ? apcu_delete($key) : apc_delete($key);
    }

    /**
     * Remove all items from the cache.
     *
     * @return bool
     */
    public function flush()
    {
        return $this->apcu ? apcu_clear_cache() : apc_clear_cache('user');
    }
}