pocams

<? var_dump(preg_split('/\s+/', "Test  string    this is a test")) ?>

array(6) {
  [0]=>
  string(4) "Test"
  [1]=>
  string(6) "string"
  [2]=>
  string(4) "this"
  [3]=>
  string(2) "is"
  [4]=>
  string(1) "a"
  [5]=>
  string(4) "test"
}