SplHeap::extract

(PHP 5 >= 5.3.0)

SplHeap::extract — Extracts a node from top of the heap and sift up.

Beschreibung

public mixed SplHeap::extract ( void )

Parameter-Liste

Diese Funktion hat keine Parameter.

Rückgabewerte

The value of the extracted node.

Fehler/Exceptions

Throws RuntimeException when the data-structure is empty.