SplPriorityQueueSplPriorityQueue::compare
(No version information available, might be only in CVS)
SplPriorityQueue::compare — Compare priorities in order to place elements correctly in the heap while sifting up.
Description
Compare priority1 with priority2 .
Parameters
- priority1
-
The priority of the first node being compared.
- priority2
-
The priority of the second node being compared.
Return Values
Result of the comparison, positive integer if priority1 is greater than priority2 , 0 if they are equal, negative integer otherwise.
Note: Multiple elements with the same priority will get dequeued in no particular order.
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