(PHP 5 >= 5.2.0, PHP 7) Get accept status

(PHP 5 >= 5.3.0, PHP 7) Change the size of an array

(PHP 5 >= 5.3.0, PHP 7) Unsets the value at the specified $index

(PHP 5, PHP 7) Check whether the inner iterator has a valid next element

(PHP 5, PHP 7) Rewind the iterator public void

(PHP 5 >= 5.3.0, PHP 7) Unsets the value at the specified $index

(PHP 5 >= 5.2.0, PHP 7) Sort array by keys

(PHP 5 >= 5.3.0, PHP 7) Return current array index

(PHP 5 >= 5.1.0, PHP 7) Get sub path and name

(PHP 5 >= 5.1.0, PHP 7) Check whether the inner iterator's current element has children