iterator_apply Call a function for every element in an iterator &reftitle.description; intiterator_apply Traversableiterator callablecallback arraynullargs&null; Calls a function for every element in an iterator. &reftitle.parameters; iterator The iterator object to iterate over. callback The callback function to call on every element. This function only receives the given args, so it is nullary by default. If count($args) === 3, for instance, the callback function is ternary. The function must return &true; in order to continue iterating over the iterator. args An array of arguments; each element of args is passed to the callback callback as separate argument. &reftitle.returnvalues; Returns the iteration count. &reftitle.examples; current()) . "\n"; return TRUE; } $it = new ArrayIterator(array("Apples", "Bananas", "Cherries")); iterator_apply($it, "print_caps", array($it)); ?> ]]> &example.outputs; &reftitle.seealso; array_walk