(PHP 5 >= 5.3.0, PHP 7) Extracts a node from top of the heap and sift up.

(PHP 5 >= 5.1.2, PHP 7) Gets an SplFileInfo object for the path

(PHP 5 >= 5.5.0, PHP 7) Reinitialises the array after being unserialised

(PHP 5 >= 5.1.0, PHP 7) Alias of

(PHP 5 >= 5.2.2, PHP 7) Gets the target of a link

(PHP 5 >= 5.3.0, PHP 7) Prepends the doubly linked list with an element

(PHP 5 >= 5.0.0, PHP 7) Unsets the value at the specified index

(PHP 5 >= 5.1.0, PHP 7) Reached end of file

(PHP 5 >= 5.3.0, PHP 7) Dequeues a node from the queue

(PHP 5 >= 5.3.6, PHP 7) Gets the file extension