(PHP 5 >= 5.3.0, PHP 7) Constructs a new queue implemented using a doubly linked list

(PHP 5 >= 5.3.0, PHP 7) Rewind iterator back to the start

(PHP 5 >= 5.5.0, PHP 7) Add/insert a new value at the specified index

(PHP 5 >= 5.2.2, PHP 7) Gets the base name of the file

(PHP 5 >= 5.3.0, PHP 7) Constructs a new stack implemented using a doubly linked list

(PHP 5 >= 5.2.0, PHP 7) Sort entries using a "natural order" algorithm

(PHP 5 >= 5.0.0, PHP 7) Appends the value

(PHP 5 >= 5.3.0, PHP 7) Check whether the queue contains more nodes

(PHP 5 >= 5.4.0, PHP 7) Return the traits used by the given class

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