Set
PHP Manual

Ds\Set::allocate

(PECL ds >= 1.0.0)

Ds\Set::allocateAllocates enough memory for a required capacity.

説明

public void Ds\Set::allocate ( int $capacity )

Allocates enough memory for a required capacity.

パラメータ

capacity

The number of values for which capacity should be allocated.

注意:

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

注意:

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

返り値

値を返しません。

例1 Ds\Set::allocate() example

<?php
$set 
= new \Ds\Set();
var_dump($set->capacity());

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

上の例の出力は、 たとえば以下のようになります。

int(16)
int(128)

Set
PHP Manual