Php/docs/ds-priorityqueue.allocate

• PHP Manual
• PriorityQueue
• Allocates enough memory for a required capacity

Ds\PriorityQueue::allocate

(PECL ds >= 1.0.0)

Ds\PriorityQueue::allocate — Allocates enough memory for a required capacity

Description

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.

Parameters

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.

Return Values

No value is returned.

Examples

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)