SplHeap
PHP Manual

SplHeap::extract

(PHP 5 >= 5.3.0, PHP 7)

SplHeap::extractExtracts a node from top of the heap and sift up.

Description

public mixed SplHeap::extract ( void )

Parameters

This function has no parameters.

Return Values

The value of the extracted node.

Errors/Exceptions

Throws RuntimeException when the data-structure is empty.


SplHeap
PHP Manual