Re: How to display all keys in a multi-dim array?

"Richard Davey" <rich@launchcode.co.uk> wrote in message news:1573539471.20040523175313@launchcode.co.uk... > Hi all, > > I am trying to work out how to display all of the keys in a > multi-dimensional array (not their values). For example: > > $array = array(); > $array['a'] = "1"; > $array['a']['b'] = "2"; > $array['a']['b']['c'] = "3"; > $array['a']['b']['c']['d'] = "4"; > > What I need is to be able to somehow print out the values a,b,c and d > based on the search result for "4". > Could you describe a bit more in detail what you mean with "based on search result for 4"? Thanks and best regards, Torsten Roehr