object(EuropeanMeals)#1 (2) {
  ["storedEnglishMealIterator":"EuropeanMeals":private]=>
  object(EnglishMealIterator)#2 (2) {
    ["pos":"EnglishMealIterator":private]=>
    int(0)
    ["myContent":"EnglishMealIterator":private]=>
    array(3) {
      [0]=>
      string(9) "breakfast"
      [1]=>
      string(6) "dinner"
      [2]=>
      string(3) "tea"
    }
  }
  ["storedFrenchMealIterator":"EuropeanMeals":private]=>
  object(FrenchMealIterator)#3 (2) {
    ["pos":"FrenchMealIterator":private]=>
    int(0)
    ["myContent":"FrenchMealIterator":private]=>
    array(4) {
      [0]=>
      string(14) "petit dejeuner"
      [1]=>
      string(8) "dejeuner"
      [2]=>
      string(6) "gouter"
      [3]=>
      string(6) "dinner"
    }
  }
}
-----( Simple iteration 1: )-----
--> EuropeanMeals::getIterator
--> EnglishMealIterator::rewind (0)
--> EnglishMealIterator::valid (0)
--> EnglishMealIterator::current (0)
--> EnglishMealIterator::key (0)
meal 0 => breakfast
--> EnglishMealIterator::next (0)
--> EnglishMealIterator::valid (1)
--> EnglishMealIterator::current (1)
--> EnglishMealIterator::key (1)
meal 1 => dinner
--> EnglishMealIterator::next (1)
--> EnglishMealIterator::valid (2)
--> EnglishMealIterator::current (2)
--> EnglishMealIterator::key (2)
meal 2 => tea
--> EnglishMealIterator::next (2)
--> EnglishMealIterator::valid (3)
-----( Simple iteration 2: )-----
--> EuropeanMeals::getIterator
--> FrenchMealIterator::rewind (0)
--> FrenchMealIterator::valid (0)
--> FrenchMealIterator::current (0)
--> FrenchMealIterator::key (0)
meal 0 => petit dejeuner
--> FrenchMealIterator::next (0)
--> FrenchMealIterator::valid (1)
--> FrenchMealIterator::current (1)
--> FrenchMealIterator::key (1)
meal 1 => dejeuner
--> FrenchMealIterator::next (1)
--> FrenchMealIterator::valid (2)
--> FrenchMealIterator::current (2)
--> FrenchMealIterator::key (2)
meal 2 => gouter
--> FrenchMealIterator::next (2)
--> FrenchMealIterator::valid (3)
--> FrenchMealIterator::current (3)
--> FrenchMealIterator::key (3)
meal 3 => dinner
--> FrenchMealIterator::next (3)
--> FrenchMealIterator::valid (4)



-----( Nested iteration: )-----
 --> EuropeanMeals::getIterator
 --> EnglishMealIterator::rewind (3)
 --> EnglishMealIterator::valid (0)
 --> EnglishMealIterator::current (0)
 --> EnglishMealIterator::key (0)

Top level 1: 
meal 0 => breakfast
     --> EuropeanMeals::getIterator
     --> FrenchMealIterator::rewind (4)
     --> FrenchMealIterator::valid (0)
     --> FrenchMealIterator::current (0)
     --> FrenchMealIterator::key (0)
     meal 0 => petit dejeuner
     --> FrenchMealIterator::next (0)
     --> FrenchMealIterator::valid (1)
     --> FrenchMealIterator::current (1)
     --> FrenchMealIterator::key (1)
     meal 1 => dejeuner
     --> FrenchMealIterator::next (1)
     --> FrenchMealIterator::valid (2)
     --> FrenchMealIterator::current (2)
     --> FrenchMealIterator::key (2)
     meal 2 => gouter
     --> FrenchMealIterator::next (2)
     --> FrenchMealIterator::valid (3)
     --> FrenchMealIterator::current (3)
     --> FrenchMealIterator::key (3)
     meal 3 => dinner
     --> FrenchMealIterator::next (3)
     --> FrenchMealIterator::valid (4)
 --> EnglishMealIterator::next (0)
 --> EnglishMealIterator::valid (1)
 --> EnglishMealIterator::current (1)
 --> EnglishMealIterator::key (1)

Top level 2: 
meal 1 => dinner
     --> EuropeanMeals::getIterator
     --> EnglishMealIterator::rewind (1)
     --> EnglishMealIterator::valid (0)
     --> EnglishMealIterator::current (0)
     --> EnglishMealIterator::key (0)
     meal 0 => breakfast
     --> EnglishMealIterator::next (0)
     --> EnglishMealIterator::valid (1)
     --> EnglishMealIterator::current (1)
     --> EnglishMealIterator::key (1)
     meal 1 => dinner
     --> EnglishMealIterator::next (1)
     --> EnglishMealIterator::valid (2)
     --> EnglishMealIterator::current (2)
     --> EnglishMealIterator::key (2)
     meal 2 => tea
     --> EnglishMealIterator::next (2)
     --> EnglishMealIterator::valid (3)
 --> EnglishMealIterator::next (3)
 --> EnglishMealIterator::valid (4)