(PHP 5 >= 5.3.0, PHP 7)
Introduction
The SplMinHeap class provides the main functionalities of a heap, keeping the minimum on the top.
Table of Contents
- SplMinHeap::compare â Compare elements in order to place them correctly in the heap while sifting up
gom ¶
7 months ago
I experimented what happens when arrays are inserted:
$heap = new SplMinHeap();
$heap->insert([22,333]);
$heap->insert([2,33]);
$heap->insert([222,3]);
var_export($heap->extract());
echo '
';
var_export($heap->extract());
echo '
';
var_export($heap->extract());
?>
Output:
array ( 0 => 2, 1 => 33, )
array ( 0 => 22, 1 => 333, )
array ( 0 => 222, 1 => 3, )
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