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SplHeap::extract

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

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

Beschreibung

public SplHeap::extract(): mixed

Parameter-Liste

Diese Funktion besitzt keine Parameter.

Rückgabewerte

The value of the extracted node.

Fehler/Exceptions

Throws RuntimeException when the data-structure is empty.