(PECL ds >= 1.0.0)
Ds\PriorityQueue::allocate — Allocates enough memory for a required capacity
public Ds\PriorityQueue::allocate ( int $capacity ) : void
Ensures that enough memory is allocated for a required capacity. This removes the need to reallocate the internal as values are added.
capacity
The number of values for which capacity should be allocated.
Note:
Capacity will stay the same if this value is less than or equal to the current capacity.
Note:
Capacity will always be rounded up to the nearest power of 2.
No value is returned.
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https://www.php.net/manual/en/ds-priorityqueue.allocate.php