How to optimize my code to make it more flexible to add more item in the future

PHP

i have 2 php file
one is config.php and another is main.php

i want to insert data to diffrent file name based on UID given

i had done code for this but i think it is not flexible enough
code snippet is my code

Code i create is not user friendly or is not dynamic but static

expample
if i want to add more file like
$file4 = TEST4_TEXT;

at the moment my UID is 1,2,3

what happen if i want to add UID 4?

The SWITCH cannot read UID 4 and $file4
how to modified it?



--config.php--
$file1 = TEST1_TEXT;
$file2 = TEST2_TEXT;
$file3 = TEST3_TEXT;
 
 
--main.php--
switch($UID)
   {
 case 1: $fn = $file1; break;
 case 2: $fn = $file2; break;
 case 3: $fn = $file3; break;
   }
file_put_contents('c:\\'.$fn.'.txt',$data1,FILE_APPEND);
}

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firekiller15Asked:
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bansidharConnect With a Mentor Commented:
easiest method if you have a logic for the name of the text file:

--main.php--
$fn = "TEST{$UID}_TEXT";
file_put_contents('c:\\'.$fn.'.txt',$data1,FILE_APPEND);

You don't  need a config.php here. Here for any new $UID a new file is created.

Method 2:
If you want more  flexibility in naming file names and you are sure about the UIDs. In this you just add another UID in the config.php
--config.php--
$file[1] = "TEST1_TEXT";
$file[2] = "TEST2_TEXT";
$file[3] = "TEST3_TEXT";
$file[4] = "TEST4_TEXT";
 
-- main.php --
include ('config.php');
$fn=(isset($file[$UID]))?$file[$UID]:'unknownUID';
file_put_contents('c:\\'.$fn.'.txt',$data1,FILE_APPEND);

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firekiller15Author Commented:
How about if UID is known?
i can be 1 or 10 o100 how>
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bansidharCommented:
in Method 2: just add the file name in the config.php like if you want for UID=23 add the line no need to change the main.php

$file[23] = "TEST23_TEXT";

this will create TEXT23_TEXT.txt when it hits UID 23.

in Method 1: you don't have to do anything, it will automatically create TEXT23_TEXT.txt
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firekiller15Author Commented:
that mean if i have data as follow in database table
UID  AMOUNT  TYPE  
23     5               A
26     6               A

is the data 23,5,A will go to TEST23_TEXT?
and
26,6,A should not got to TEST23_TEXT
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firekiller15Author Commented:
why only test1 and test2 output on the drive test3 is not shown
0
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