Re: Passing arguments to an internal function via array_map

On 11/11/2011, at 5:10 AM, Marc Guay wrote: > Hi folks, > > I'm trying to convert the contents of an array from utf8 to utf16 > (thanks for the headache MS Excel!). I originally created a "user > function" that just ran the text through > mb_convert_encoding($text,'utf-16','utf-8') but now I'm wondering if I > can't just use the internal function directly. Apparently it's more > complicated when the function requires arguments; I see example using > mysql_real_escape_string() on php.net. > > My current attempt looks like this: > > $clean = array_map('mb_convert_encoding', $dirty_arr, > array('utf-16','utf-8')); > > but I believe this is actually passing an array to > mb_convert_encoding() as the second argument rather than the 2nd and > 3rd... Any ideas or am I chasing something that can't be done? > > Marc You need to pass a second and third array to array_map() with the same number of elements as the first array. The arguments to the callback function are the elements from each array at the same offset. Something like $clean = array_map('mb_convert_encoding', $dirty_arr, array_fill(0, count($dirty_arr), 'utf-16'), array_fill(0, count($dirty_arr), 'utf-8')); --- Simon Welsh Admin of http://simon.geek.nz/