Ds\PriorityQueue::allocate

(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.

Example #1 Ds\PriorityQueue::allocate() example

<?php
$queue = new \Ds\PriorityQueue();
var_dump($queue->capacity());

$queue->allocate(100);
var_dump($queue->capacity());
?>

The above example will output something similar to:

int(8)
int(128)

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https://www.php.net/manual/en/ds-priorityqueue.allocate.php