PHP script - Detect encoding, edit and save text file

We have problem with open, edit and save text file. This file have (we think) fake extention .dkr but it is text file. When we open this file in common text editors we see text but not only. They are problem with undefined chars and after save file (in php script or text editor) this file not working.

This file have saved state of form. When we load this file on web page where that file was create and downloaded it's work. But when we open in text editor (doesn't change anythink) and save that file stop work. We think is problem with encoding. So wee need php script to edit this file and save with this same format. we need only edit 2-3 fields for sure its work. If it will work we will self edit this script to make more changes. If you are interested we will send web page where you can test if its work fine and we describe how to do tests.

It's polish site soo we think there should be UTF-8 encoding - but not sure

If is problem in PHP script it can be in other language (C++ for example) but then wee need information how to edit that script.

In attachment is example of file what we need to edit.

Skills: PHP, Software Architecture, C++ Programming

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About the Employer:
( 0 reviews ) Wschowa, Poland

Project ID: #23957004

7 freelancers are bidding on average $133 for this job


Hi, Have a good day! - I have gone through your project description. - I have more than 10 years of strong experience in Web development/designing. - I’m a senior Laravel developer & having 10 years of web development More

$120 USD in 7 days
(38 Reviews)

Hi, This is NOT a text file My friend. This is a BINARY encoded file, with records that ARE text-format. So the point is, you cannot use any special text editor that is UNICODE compatible to open this file. You will More

$250 USD in 7 days
(37 Reviews)

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$140 USD in 7 days
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$200 USD in 2 days
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Dear Client! I am an experienced php developer. I've read your job description with great interest. I've fully understood what you want and if you hire me, you would get the best result. I can start work immediately an More

$140 USD in 3 days
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