CApcCache

Property Details

useApcu property (available since v1.1.17)

public boolean $useApcu;

whether to use apcu or apc as the underlying caching extension. If true apcu will be used. If false apc. will be used. Defaults to false.

Method Details

addValue() method

protected boolean addValue(string $key, string $value, integer $expire)

protected function addValue($key,$value,$expire)
{
    return $this->useApcu ? apcu_add($key,$value,$expire) : apc_add($key,$value,$expire);
}

Stores a value identified by a key into cache if the cache does not contain this key. This is the implementation of the method declared in the parent class.

deleteValue() method

protected boolean deleteValue(string $key)

protected function deleteValue($key)
{
    return $this->useApcu ? apcu_delete($key) : apc_delete($key);
}

Deletes a value with the specified key from cache This is the implementation of the method declared in the parent class.

flushValues() method (available since v1.1.5)

protected boolean flushValues()

protected function flushValues()
{
    return $this->useApcu ? apcu_clear_cache() : apc_clear_cache('user');
}

Deletes all values from cache. This is the implementation of the method declared in the parent class.

getValue() method

protected string|boolean getValue(string $key)

protected function getValue($key)
{
    return $this->useApcu ? apcu_fetch($key) : apc_fetch($key);
}

Retrieves a value from cache with a specified key. This is the implementation of the method declared in the parent class.

getValues() method

protected array getValues(array $keys)

protected function getValues($keys)
{
    return $this->useApcu ? apcu_fetch($keys) : apc_fetch($keys);
}

Retrieves multiple values from cache with the specified keys.

init() method

public void init()

public function init()
{
    parent::init();
    $extension=$this->useApcu ? 'apcu' : 'apc';
    if(!extension_loaded($extension))
        throw new CException(Yii::t('yii',"CApcCache requires PHP {extension} extension to be loaded.",
            array('{extension}'=>$extension)));
}

Initializes this application component. This method is required by the IApplicationComponent interface. It checks the availability of APC.

setValue() method

protected boolean setValue(string $key, string $value, integer $expire)

protected function setValue($key,$value,$expire)
{
    return $this->useApcu ? apcu_store($key,$value,$expire) : apc_store($key,$value,$expire);
}

Stores a value identified by a key in cache. This is the implementation of the method declared in the parent class.