As a front end developer who did not know *any* PHP but now works as a Drupal themer I recommend you make the effort to learn some PHP.

I recommend the Lullabot theming videos: http://store.lullabot.com/products/theming-basics-advanced-bundle well worth the time and money. 

Good luck,

Jared





On Mon, Mar 15, 2010 at 8:55 PM, saksiri.kridakara@yahoo.com <saksiri.kridakara@yahoo.com> wrote:
How much php knowledge is required to develop / customize drupal
themes efficiently?

Do I need to read a whole book or is there some basic documentation of
the essential php used for drupal theming?

Any resources would be greatly appreciated!

Saki
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