Update custom PHP app in Wordpress site to be compatible with latest version

Note: I did just post this as a project to extract the code. I've realised that's not possible because it's tied to the user's login in wordpress. So if you bid on that project before I deleted it, this is the updated project!


I have a body fat calculator with database which was coded many years ago and added to my Wordpress site. It's come to light recently that it's been hard-coded into the Wordpress core file/s, so if I update my version of Wordpress, it breaks!

I need the code to be updated to be compatible with Wordpress's current version.

It may be that it still works fine, but being in the core files, when Wordpress is updated the code gets affected. So it may be a case of taking the code out, updating Wordpress, and putting it back in. I'm not a programmer, though, so I'm guessing here! Don't assume that is the problem, it's just a possible reason.

If you can do this project successfully, then I'd also be interested in discussing a follow-up project to make the code a plugin so it can be updated independently if any future versions of Wordpress prove incompatible without having to touch any core files.

I have very limited knowledge, but if you have any questions, I'll do my best to answer them. What I do know is, previous people who have worked on it and made updates for me over the years have had no problems finding it or modifying it, so if you're a PHP guy who knows Wordpress, it shouldn't be like finding and editing a needle in a haystack!

Skills: PHP, WordPress, HTML, MySQL, CSS

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About the Employer:
( 69 reviews ) Angmering, United Kingdom

Project ID: #31594307

64 freelancers are bidding on average £162 for this job

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Hello There, As per the details i have understood that when you are uploading the wordpress CMS version so the hard coded part which is written in the core files of the calculator get deleted. I have also checked the a More

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£220 GBP in 6 days
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Hi there!, I can fix your fat caclulator to work on latest wp & php version. I read your project details and I'm very interested to hear from you to discuss more asap. I can generally complete the work within 0-2 days More

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Hi There, Good day! Hope you are doing fine. I have gone through your initial project requirement and understand your project details. We will help you to successfully update a custom PHP app in WordPress website t More

£200 GBP in 5 days
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Hello, Hope you're doing good ! I have read your job description and assure you that I am a perfect fit for the job. I am a senior Web Programmer, having 8+ years of vast and proven experience in: PHP, MYSQL, HTML, W More

£150 GBP in 7 days
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hello I'm a wordpress expert , I have read your job description and I'm ready to help you build Update custom PHP app in Wordpress site to be compatible with latest version Please feel free to contact me Regard More

£135 GBP in 2 days
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Hello Sir, May I know your website name p lease? Currently you are using a latest version of WORDPRESS? I need to go through your server. I will upgrade both PHP AND WORPRESS. i AM READY TO START RIGHT NOW. Thanks

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Hi There, I hope you are well. I have gone through your requirement we can do that for you. Please message me so we can discuss more. I am waiting for your reply. I have checked Your attachment. I HAVE A QUESTION, WHA More

£350 GBP in 8 days
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Dear Sir, I understood the issue. You guessed it right the code is embedded with core and it is a bad standard for wordpress. I can take the codes out from the core and put it inside a plugin so that you can update you More

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