/**
* 浮点数递增
* @param string $key 键名
* @param float $float 递增步长
* @return float|false 递增后的值,失败返回false
*/
public function incrByFloat($key, $float)
{
if ($this->driver->checkDriver()) {
if (method_exists($this->driver, 'incrByFloat')) {
return $this->driver->incrByFloat($key, $float);
} else {
if (!is_numeric($float)) {
return false;
}
$value = $this->driver->get($key);
if ($value !== false && !is_numeric($value)) {
return false;
}
if ($this->driver->set($key, $value += $float)) {
return $value;
}
return false;
}
}
if ($this->driver->isFallback() && $this->type !== self::$config['fallback']) {
return $this->driver->backup()->incrByFloat($key, $float);
}
return false;
}
