(PHP 5 >= 5.1.0, PHP 7) Gets line from file

(PHP 5 >= 5.3.0, PHP 7) End iteration public

(PHP 5 >= 5.1.0, PHP 7) Attach an SplObserver

(PHP 5 >= 5.3.0, PHP 7) Unserialize public

(PHP 5 >= 5.5.11, PHP 7) Read from file public

(PHP 5 >= 5.2.0, PHP 7) Returns whether an iterator can be obtained for the current entry.

(PHP 5 >= 5.3.0, PHP 7) Returns the mode of iteration

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

(PHP 5 >= 5.3.0, PHP 7) Compare priorities in order to place elements correctly in the heap while sifting

(PHP 5, PHP 7) Return the current element public