src/Leevel/Flow/FlowControl.php
public function ifs($value = false): self
    {
        return $this->setFlowControl(true, $value ? true : false);
    }
public function ifs($value = false): self
    {
        return $this->setFlowControl(true, $value ? true : false);
    }
条件语句 ifs.

@param mixed $value

@return $this