(PHP 5 >= 5.0.0, PHP 7) Return current array key

(PHP 5 >= 5.1.0, PHP 7) Check whether the current element of the iterator is acceptable

(PHP 5, PHP 7) Construct a new CachingIterator object for the iterator.

(PHP 5 >= 5.1.0, PHP 7) Checks validity of the current element

(PHP 5 >= 5.3.0, PHP 7) Detaches an iterator

(PHP 5 >= 5.1.0, PHP 7) Determines acceptability

(PHP 5 >= 5.0.0, PHP 7) Count elements public

(PHP 5 >= 5.0.0, PHP 7) Construct an ArrayIterator

(PHP 5 >= 5.0.0, PHP 7) Get array copy public

(PHP 5 >= 5.3.0, PHP 7) Construct a directory using glob