How to check the IP address of Codeigniter

Source: Internet
Author: User
This article describes how to verify the IP address of Codeigniter. The example shows how to obtain and verify the IP address of Codeigniter. For more information, see

This article describes how to verify the IP address of Codeigniter. The example shows how to obtain and verify the IP address of Codeigniter. For more information, see

This example describes how to verify the IP address of Codeigniter. Share it with you for your reference. The specific analysis is as follows:

Here we demonstrate how Codeigniter obtains the user's IP address and verifies the validity of the IP address.

Get user ip Address:

$ This-> input-> ip_address (); // If the ip address fails to be obtained, 0.0.0.0 is returned. You can also use the following code to verify the ip address validity. $ ip = "192.168.1.1 "; if (! $ This-> input-> valid_ip ($ ip) {echo "Not a valid IP address";} else {echo "Valid IP address! ";}

I hope this article will help you with Codeigniter-based php programming.

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