Well, that can certainly be done, but to explain id=1, this is a brief of how it works
in php, as i'm sure your aware, it uses variables to generate pages. meaning, the page will change if the variable changes.
the id in id=1 is a variable, and it is being set to one. This mean that the page uses a variable called id, it uses this variable to gather a specific information and display it.
Now variables are very simple, all you have to do is state what they are, to do this all you need to do is make an equation, and begin your variable with a $ mark: example
$myvariable=1;
echo $myvariable; - This would show " 1 "
$myvariable=1;
$myvariable2=2;
$myvariable3=$myvariable1 + $myvariable2;
echo $myvariable3; - this echos 3
There are virtually no limits on what you can name your variables and what you can do with them. So, on your site, if all you wanna do is include text files, all you need to do is supply a way for php to know which file to use and display it: meaning for example.
Let's say you had two txt files called aboutme.txt, and something.txt and you wanted display them in a webpage,all you would have to do is tell php that you have two file that it can you, and you specify which file it is to use. All you have to do is find a way to organize and manipulate your code to do what you want, this is a quick example just to give you an idea of how it will work, it is by no means the easiest or most efficient way to do it. Example:
switch($page){
case "1":
$include="aboutme.txt";
break;
case "2":
$include="something.txt";
break;
}
include ($include);
switch is a decision making tool, the code basically says, OKAY, THERE IS A VARIABLE NAMED PAGE HERE, IF PAGE IS SET TO 1, THEN INCLUDE WILL EQUAL ABOUTME.TXT, BUT IF PAGE IS SET TO 2, THEN INCLUDE WILL EQUAL SOMETHIN.TXT.
include (''); is a command we use to include files into php, it is what is going to get your txt files onto your page.
Okay, this si where we come back to id=1, on your page, if you want to display the aboutme.txt, your url would read myurl.php?page=1 --- this would make your page display aboutme.txt
but if you go to myurl.php?page=2, then it would include something.txt
hope it helped, there are great books on php that you can learn fairly quickly on. Good luck
