/**
* Increment a number under the key and return incremented value
*
* @param string $key Identifier for the data
* @param int $offset How much to add
* @return bool|int New incremented value, false otherwise
*/
public function increment($key, $offset = 1)
{
$key = $this->_key($key);
if (!$this->client->exists($key)) {
return false;
}
return $this->client->incrby($key, $offset);
}
/**
* {@inheritDoc}
*/
public function incrby($key, $increment)
{
return $this->predis->incrby($key, $increment);
}
/**
* @group redis-strings
*/
public function testIncrementBy()
{
$this->assertEquals(2, $this->client->incrby('foo', 2));
$this->assertEquals(4, $this->client->incrby('foo', 2));
}