Op 14 sep. 2012 07:51 schreef "Adam Richardson" <simpleshot@xxxxxxxxx> het volgende: > > On Wed, Sep 12, 2012 at 2:37 PM, Sebastian Krebs <krebs.seb@xxxxxxxxx> wrote: > > Hi, > > > > In PHP the array is in fact a hash map, but especially it is _used_ for > > nearly everything map-, set-, ...-like thing. So in short: The is no > > operator or built-in function, that merges two arrays _and_ treat them as > > set (instead of the hashmap, what they are). Your solution is the way to go. > > Sure, I know about the underlying implementation. I was just hopeful > because several of the array functions handle the maps differently > depending on whether the keys are numeric or string or both. > > If I wanted to get cute, I could store the value in the key (e.g., > array('value 1' => 0, 'value 2' => 0, ...)), and that allows me to use > the '+' operator. In spite of the nice performance benefits of this > approach (leveraging the hashes benefits), the code that utilizes the > arrays becomes quite clunky. > > Thanks, > > Adam > It doesn't need to be clunky.. just use array_flip and you've got the old array again.. -Matijn