PHP script to record IP, email, OS, browser via email link

JudyO

JudyO

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I'm trying to identify where my customers are coming from via emails I've sent/received. However, many email providers (namely Gmail) have circumvented this by disallowing geolocation/caching.

When they click on the link in the email, it would direct them to an offer (page on my website). At the same time, the PHP script would be writing their details to a log.txt file on my server.

I've figured out how to log their IP address (if they click on the email sent), but would like to tie it back to their email address, OS & browser as well. Being a PHP neophyte, I'm not sure how to code it for those parameters.


Below is as far as I could get. Can you puhleeeze help me out here?


--
<?php
$ip = $_SERVER['REMOTE_ADDR'];
$dt = date("l dS \of F Y h:i:s A");
$email = email
$os = os
$browser = browser
$file=fopen("ip_log.txt","a");
$data = $ip.' '.$dt."\n" $email.' ' $os ' ' $browser ' ';
fwrite($file, $data);
fclose($file);
header( 'location http www myserverdotcom webpageofferdothtml' ) ;
?>
 
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This should let you pull both browser and OS info (pasted from php.net)

PHP: 
<?php
echo $_SERVER['HTTP_USER_AGENT'] . "\n\n";

$browser = get_browser(null, true);
print_r($browser);
?>


As far as emails go, only way I can think of is to somehow embedd user's email account in the link's query string (MAYBE possible if you're using some autoresponder service that supports personalization tags like [[name]], [], etc but I don't really see this working in real world).

Depending on what you're trying to do, your best bet simply asking the user to input their email on the order page in exchange for a free report or whatever.

[I]PS: I found the above code in 10 seconds, google is your friend.[/I]
 
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Correct, go for making each link unique (by simply adding a parameter to the url) to tie the visitor with the link pressed - where you should then end up with email, browser, IP and OS. How to get the location is on the other hand a bit harder, the closest you get is getting location data from their IP which won't be very accurate, or you'll have to use a third party service as Google Maps Geolocation - but the user has to allow it to get your location.
 
Thanks so much, Hinkys, I'm almost all the way there, now! Yes, it's going to be absolutely necessary that I tie back all of this info to the user's email address. Asking the user to input their email address is just not going to work in this case -- getting them to click on the link is going to be hard enough!

I'm trying to do this all through a PHP script in order to avoid using an autoresponder (already thought of that). Hope that it's doable, though.
 
Are you mass-sending? I understand your original task was getting to know your visitors, although one approach (if mass-sending to thousands and thousands) would be to embed an iframe with the email. Not many clients support this (check link at bottom), but those that does can be of value as you later on can send them more targeted offers(that's what you're doing right?) and they might be more likely to press the link.

Too low postcount, but here's the link which clients does and does not support iframes:

campaignmonitor.com/blog/post/3219/do-iframes-work-in-email/
 
No, this isn't going to be a mass mailing. More to the point it will be one-off emails that will be sent in response to an inquiry.

Due to the fact that most of the emails received provide little identifying information, I'm trying to at least find out the general location via IP address tied to their email address via reverse engineering. I used to be able to find this info out via ReadNotify, but when Google disallowed geolocation a while back, this screwed the pooch so to speak.

So, I'm back to Hinkys original suggestion to find out a way to do this by somehow embedding the user's email address in the PHP query. Any ideas?
 
You could just add a parameter to the URL, no?

Say you're looping through the email list, when forming the body add a "?user=the_email" at the end of the URL they will be clicking.

Then at the landingpage, check if $_GET[name] is set - and if so you know what emailaddress clicked the link.
 
The easiest way i know to do this is to make the link contain all of the information you don't get directly like ip/browser.

Something like http://example.com/some/path/?somequery&anotherquery&email={insert user email here}&name={insert user name here}

The only issue with this is that users can then put any information there.

The way to get around this is to have a database table:

table users: id, name, email
content:
1, John, [email protected]
2, Jane, [email protected]

and send your emails with links like http://example.com/some/path/?somequery&anotherquery&id={insert user id here}

and then you can do a simple database match based on the id to see who clicked the link.

Email marketing software do something like this but a bit more complicated.
 
emild331 said:
You could just add a parameter to the URL, no?

Say you're looping through the email list, when forming the body add a "?user=the_email" at the end of the URL they will be clicking.

Then at the landingpage, check if $_GET[name] is set - and if so you know what emailaddress clicked the link.
Click to expand...

Yes, that might be possible, but I will still have to correlate the email address with the IP and other parameters. Best to try to wrap this all in one script if possible...
 
m4dm4n said:
The easiest way i know to do this is to make the link contain all of the information you don't get directly like ip/browser.

.. snip ...

and then you can do a simple database match based on the id to see who clicked the link.

Email marketing software do something like this but a bit more complicated.
Click to expand...

I'll see if I can get that to work but I'm such a coding neophyte that it probably would be easier to buy email marketing software! Will see if I can test something out with the url, but how would I go about creating a db table?
 
http://teamtreehouse.com/library/using-php-with-mysql

Get a free trial account and go through this tutorial, it's really begginer friendly and should cover everything you need to know about databases and php. That site also has alot of other useful coding tutorials, it's how I started with PHP and it beats DIY approach at learning basics of any langauge.
 
Thanks a lot, Hinkys! Will take a look at the site to see if I can figure out how to make this work in PHP. Want to avoid subscribing to an email marketing system at all costs and host everything myself. Tx again!
 
Your email can have some javascript that catch all this info for you.
You can easily call some image with all the parameters, so all the info get into a php (that send the image and catch the info).
This image can be a 1 pixel one, so its very fast to load.


OR check this one (i have no connection with them)

http://www.tracemyip.org/tools/show-user-ip-info-box/

Specially the user interface at the bottom of the page.
 
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