Well, hello people. I've searched through the entirety of this forum, searching for the answer to my question, yet found exactly none of the useful information.

In my desperate attempt, I plea for your aid, collective mind of programmers, HOW DO YOU DO IT?! *cough* I need help.

If any of you know something about said topic, PLEASE write your suggestions, thank you in advance!

Did you try this method?

https://forums.osclasspoint.com/osclass/best-way-to-add-custom-php-pages/msg32546/#msg32546

Hi there, thanks for your reply.

I have tried the method above, alas it yielded no result...

Did you follow all the steps in order (following the solution I specified in the linked message)? Because here is working fine https://ctg-light.plugins-zone.com/my_custom_php-p26 I'm using osclass 8.3.0
I've tried again just to be sure and is working fine https://ctg-light.plugins-zone.com/second_try-p31
If you go on "important links" menu you can see the page linked

Well, hello people. I've searched through the entirety of this forum, searching for the answer to my question, yet found exactly none of the useful information.

In my desperate attempt, I plea for your aid, collective mind of programmers, HOW DO YOU DO IT?! *cough* I need help.

If any of you know something about said topic, PLEASE write your suggestions, thank you in advance!

There is also way to create php file in theme and it is auto-reused by page, but I cannot find it in docs... Lost somewhere