Re: multi-dimensional arrays

Just wondering, there is callback version of preg_match_all() ? if so you could have done it in one line I think.. On Mon, Apr 13, 2009 at 9:52 PM, Andres Gonzalez <andres@packetstorm.com>wrote: > I was having the same problem. The second way was what I was looking for. > > Thank you so much for your help--I did not know about preg_match_all(). > > very cool....thanks again. > > -Andres > > > > Shawn McKenzie wrote: > >> Shawn McKenzie wrote: >> >> >>> Well in your approach you get a bunch of empty elements where the spaces >>> are. Here are two ways but I'm sure one preg_match_all() without the >>> explodes and loop could do it (some guru will show us): >>> >>> //one way >>> $text = 'xxx xxxx xx xxxxx xx xxx >>> xx xxxxx x xxx xx xxxxxx >>> xx xxx xx xxxx xx xx'; >>> >>> $lines = explode(PHP_EOL, $text); >>> >>> foreach($lines as $line) { >>> $temp = explode(' ', $line); >>> $result[] = array_filter($temp, 'reduce'); >>> } >>> function reduce($var) { >>> return !empty($var); >>> } >>> print_r($result); >>> >>> >> Array >> ( >> [0] => Array >> ( >> [0] => xxx >> [2] => xxxx >> [4] => xx >> [6] => xxxxx >> [8] => xx >> [11] => xxx >> ) >> >> [1] => Array >> ( >> [0] => xx >> [2] => xxxxx >> [5] => x >> [7] => xxx >> [9] => xx >> [11] => xxxxxx >> ) >> >> [2] => Array >> ( >> [0] => xx >> [2] => xxx >> [4] => xx >> [6] => xxxx >> [8] => xx >> [11] => xx >> ) >> >> ) >> >> >>> //another way >>> $text = 'xxx xxxx xx xxxxx xx xxx >>> xx xxxxx x xxx xx xxxxxx >>> xx xxx xx xxxx xx xx'; >>> >>> $lines = explode(PHP_EOL, $text); >>> >>> foreach($lines as $line) { >>> preg_match_all('|([^\s]+)+|', $line, $matches); >>> $result[] = $matches[1]; >>> } >>> print_r($result); >>> >>> >> Array >> ( >> [0] => Array >> ( >> [0] => xxx >> [1] => xxxx >> [2] => xx >> [3] => xxxxx >> [4] => xx >> [5] => xxx >> ) >> >> [1] => Array >> ( >> [0] => xx >> [1] => xxxxx >> [2] => x >> [3] => xxx >> [4] => xx >> [5] => xxxxxx >> ) >> >> [2] => Array >> ( >> [0] => xx >> [1] => xxx >> [2] => xx >> [3] => xxxx >> [4] => xx >> [5] => xx >> ) >> >> ) >> >> There is a difference in the key numbering though if that is important. >> >> >> > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > >