Ds\Deque::allocate

(PECL ds >= 1.0.0)

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

Beschreibung

public Ds\Deque::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.

Parameter-Liste

capacity

The number of values for which capacity should be allocated.

Hinweis:

Capacity will stay the same if this value is less than or equal to the current capacity.

Hinweis:

Capacity will always be rounded up to the nearest power of 2.

Rückgabewerte

Es wird kein Wert zurückgegeben.

Beispiele

Beispiel #1 Ds\Deque::allocate() example

<?php
$deque = new \Ds\Deque();
var_dump($deque->capacity());

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

Das oben gezeigte Beispiel erzeugt eine ähnliche Ausgabe wie:

int(8)
int(128)