Ds\Queue::allocate
(PECL ds >= 1.0.0)
Ds\Queue::allocate — Allocates enough memory for a required capacity
Beschreibung
$capacity
): voidEnsures that enough memory is allocated for a required capacity. This removes the need to reallocate the internal as values are added.
Hinweis:
Capacity will always be rounded up to the nearest power of 2.
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\Queue::allocate() example
<?php
$queue = new \Ds\Queue();
var_dump($queue->capacity());
$queue->allocate(100);
var_dump($queue->capacity());
?>
Das oben gezeigte Beispiel erzeugt eine ähnliche Ausgabe wie:
int(8) int(128)