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SplPriorityQueue::compare

(PHP 5 >= 5.3.0)

SplPriorityQueue::compareCompare priorities in order to place elements correctly in the heap while sifting up.

Описание

void SplPriorityQueue::compare ( mixed $priority1 , mixed $priority2 )

Compare priority1 with priority2 .

Список параметров

priority1

The priority of the first node being compared.

priority2

The priority of the second node being compared.

Возвращаемые значения

Result of the comparison, positive integer if priority1 is greater than priority2 , 0 if they are equal, negative integer otherwise.

Замечание: Multiple elements with the same priority will get dequeued in no particular order.






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