I would like to show charts and do not know what is the best approach to do this? e.g. I have data in Excel.
you ll have to use the GD libarary
In basics. Is PHP competitive to other languages regarding publishing chart form Excel format or other format?
Do you mean "competetive to" or "compatible with" there?
I need the best solution to show charts that I would like to publish.
Main file is in excel format. Do you have some solution?