CodeIgniter is great framework by its simplicity because the structure of the CodeIgniter framework is clear and flexible.
Let’s understand the function used to get user’s IP in CodeIgniter.
CodeIgniter offers a way to retrieve the user’s IP address with using an inbuilt function in CodeIgniter.
If the IP address isn’t valid, function will return 0.0.0.0.
1 2 3 | $this->input->ip_address(); |
Next, is about To validate an IP address and you should have a function for that also which will return TRUE or FALSE.
The above function validates the IP automatically.
1 2 3 4 5 6 7 8 9 10 | if (!$this->input->valid_ip($ip)) { echo "Not a valid IP"; } else { echo "Valid IP!"; } |
To retrieve a user agent
To determine the user agent of the user, you can use the below code in CodeIgniter. It will return the user agent of the user’s web browser; if not available, it will return FALSE.
1 2 3 | echo $this->input->user_agent(); |
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