need help in orangehrm using Symfony

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PHP

MySQL

Hi
I am working on a project and I have to make some changes to it. Most of them have been done and now I'm stuck on one thing. It was required too remove one field from JOB PAY GRADE from the admin side. I don't know how to use the Symfony framework so I am doing this by making changes in the files myself.

The problem which is making me crazy is that I have to remove one field which is Currency and a list of Currency which are all ready added. I can do it by commenting them, but the main problem is that when the user opens the page all fields should have data and the user can edit it without clicking on any of the Currency items from the list. In short I don't want the Currency field and Assigned currencies and min , max and Step Increase field automatically filled with data when the user opens the page.

You can download the code from the Orangehrm website here: Download

Can any one please tell me how to do it? I am trying it but with no luck.

If you require more information please ask. I need help on this!
It is driving me crazy. :)