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Codeigniter校验ip地址的方法

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Release: 2016-06-06 20:06:06
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这篇文章主要介绍了Codeigniter校验ip地址的方法,实例分析了Codeigniter获取与校验ip地址的技巧,需要的朋友可以参考下

本文实例讲述了Codeigniter校验ip地址的方法。分享给大家供大家参考。具体分析如下:

这里演示了Codeigniter如何获取用户ip地址,,同时校验ip地址的有效性

获取用户ip:

$this->input->ip_address(); //如果ip获取失败,则返回 0.0.0.0,我们也可以使用下面的代码校验ip的有效性 $ip = "192.168.1.1"; if (!$this->input->valid_ip($ip)) { echo " Not a valid IP address" ; } else { echo " Valid IP address! " ; }

希望本文所述对大家基于Codeigniter的php程序设计有所帮助。

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