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If you have an e-commerce website with a shopping cart or just a database where lots of people are searching and then when they are going to ask you for something (I mean via webform) you, perhaps, might be very curiouse what is that they were looking at, where did they spend more time, what item they might think "the sexiest" about... Without asking them, (they might lie) you can simply track them.. Here I developed a peace of code that I use for my database: It is not a "commercial" version, you definitelly will have to play with it, I did not modify it for distribution, but It might be a good example or an ispiration for a similar idea: It will work for sure on PHP4, with MySQL but can be avoid to use database, I also set it to track everyone but receive that info only in case I'm being contacted by the visitor. I do not this info anywhere unless it is sent to be by the visitor.... Here's the code: FILE 1: If you wish you can include() this in every file with include() function, but it is only useful when there are many different files, on single-file software it would make no sense to include() it from some other file.. Remember: set session ONLY before ANY output! otherwise it WILL NOT work. <? /* Max() Tracker. * The piece of code to track visitor's adventures on your software. * * Copyright (C) 2000 Maxim Maletsky, [maxim.maletsky@lincmedia.co.jp] * LINC Media Inc., J-Door.com, J@pan Inc. * * This software is FREEWARE. */ // The session is being registred here: session_register("PV"); session_register("w3"); // here will arrive to us the time "from the past" // Checking if this is first time to registed session and if it is then give the defauld (different) value to the first record: if (IsSet($w3)) $time_spent = (time() +1) - $w3; //making the time difference beetwen the current one and the past, brought to us by cookie.. $w3 = time(); //remembers the present time... $myReferer = ereg_replace($PV_SP, "@", $HTTP_REFERER); //Because I use column ":" as one of my separators I want to get rid of it in URLs changing it with "@" if (!IsSet($PV) && $HTTP_REFERER) // there's no need to track every referer as long as we know how did he get to this page at first place, later-on session will track him... $PV .="S".$PV_SP.$PV_SP.$myReferer.$PV_SP.$time_spent; // the default first record if (!IsSet($PV) && !$HTTP_REFERER) $PV .="S".$PV_SP.$PV_SP."0".$PV_SP.$time_spent; // below is not part of this file, this should not be on every page: see comments below : if ($profile) // in my case I need a little different record when the user sees profile of an item, you will want to change it... $PV .="|".$area.$PV_SP.$id.$PV_SP.$myReferer.$PV_SP.$time_spent; else $PV .="|".$area.$PV_SP.$id.$PV_SP.$PV_SP.$time_spent; // and here's the meat: add this on every reload of the page... ?> FILE 2: Here's how we will then process the aquired data and eventually what we will send to us in case we need it. Put this within the form: <? $PV .="|".$PV_SP.$PV_SP."P".$PV_SP.$time_spent; ?> This is usually comes where the form is being processed: Remember: the file above should be evrywhere, but not the $PV .= that is different as menioned by me... <? $PV .="|".$PV_SP.$PV_SP."R".$PV_SP.$time_spent; // THE LAST IMPUT! !!! MAKE SURE THIS IMPUT IS THE L;AST ONE !!! //echo $PV; // Uncomment it if you want to see what did you bring with you so far: (only for testing purposes...) $PV_array = split('[|]', $PV); // split the record in group of records belonging to each reload. set it in an array. // Here we will split it all on eby one, and review it, then set all that staff into what it should be... while (list($PVkey1, $PVval1)=each($PV_array)) { list ($v1, $v2, $v3, $v4) = split ($PV_SP, $PVval1); // the order here is vey important, every variable is what is inside beetwen ":" $v3 = ereg_replace("@", $PV_SP, $v3); // Danger is over, let's get back our "column"s instead of "@"s $all_time_spent =$all_time_spent + $v4; // calculates the total time if ($v1 != "S") // incase this record is the "start" (the first one) the time is not needed to be printed, $M_time =" time spent: </span><span class=\"com4\">".date ("H:i:s", mktime (0,0,$v4))."</span><span class=\"link\"><br>"; //compose the time elseif ($v3 == "P") // "P" is when you submit the form, it is there just to find out how long it took the user fillin out the form, you will have to work on this .... $M_time =" </span><span class=\"com4\">".date ("H:i:s", mktime (0,0,$v4))."</span><span class=\"link\"><br>"; /* Now, here's one future that I cannot give to you because I didn't preparethis software to be redistribuited, this is what I cut()ed and past()ed from my own script, I have a mysql class, so here you see it, shange it to your own favorit mysql functions... */ if ($v1 && $v2 && $v1 != "S") { $pv1_mysql->query("SELECT a_field FROM a_table WHERE id=$v1"); $pv1_mysql->fetch_record(); $PV_area = $pv1_mysql->Record; $pv2_mysql->query("SELECT a_field FROM a_table WHERE id=$v2"); $pv2_mysql->fetch_record(); $PV_id = $pv2_mysql->Record; $M_history ="<a href=\"http://www.j-door.com/experts.html? area=".$v1."&id=".$v2."\">examined expert \"".substr ($PV_id['name'], 0, 15)."...\" in \"".substr ($PV_area['name'], 0, 10)."...\" area</a>"; } elseif ($v1 && !$v2 && $v1 != "S") { $pv1_mysql->query("SELECT a_field FROM a_table WHERE id=$v1"); $pv1_mysql->fetch_record(); $PV_area = $pv1_mysql->Record; $M_history ="<a href=\"http://www.j-door.com/experts.html? area=".$v1."\">visited area \"".substr ($PV_area['name'], 0, 30)."...\"</a>"; } elseif ($v1 != "S" && $v3 && $v3 != "R" && $v3 != "P") { $pv2_mysql->query("SELECT a_field FROM a_table WHERE id=$v2"); $pv2_mysql->fetch_record(); $PV_id = $pv2_mysql->Record; $M_history ="<a href=\"http://www.j-door.com/experts.html? profile=".$v2."\">viewed profile of \"".substr ($PV_id['name'], 0, 30)."...\"</a> accessing it from <a href=\"".$v3."\">\"".substr ($v3, 17)."\"</a>"; } elseif ($v1 == "S" && !$v2 && $v3) // prints the last to lines with data about submitting the form and the total time spent on the website: { if ($v3 == "0") $M_history ="Came to Experts from Unknown Page"; else $M_history ="Came to Experts from <a href=\"".$v3."\">".substr ($v3, 17)."</a>"; } elseif ($v3 == "P") $M_history ="submitted the form what took to him"; elseif ($v3 == "R") $M_history ="<p>Total time spent in Experts Area:"; $myHistory .=$M_time.$M_history; } //The hole shit above is now became one single variable ready to be added into message or outputed with echo or whatever... $myHistory =$myHistory." </span><span class=\"com4\">".date ("H:i:s", mktime (0,0,$all_time_spent))."</span><span class=\"link\"><br>"; //The History variable // that's it... ?> I'm sure you can improve it, especially becaus ehow it is here right now it will not work at all, you must find a way to use it, rewrite the code above, set some header, style shits, output, tables, everything,.... but I hope it will clear up you idea on how to track people and how to play with the info they bring with you... I was asked: why do you make people bring with them an always increasing variable and not simply make a class to add the data in mysql database while they are traveling, well, I think it is better to bring it with you rather then to open childs in myqsl connect- disconnect, insert... you might then not to need it, you might not to have mysql at all. this is simplier, even if not too stable .... Cheers! Maxim Maletsky... P.S: I will be glad to help you with your own version of this software.. GOT A QUESTION? -- LET ME KNOW! | |||||
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