Ds\Sequence::allocate
(PECL ds >= 1.0.0)
Ds\Sequence::allocate — Allocates enough memory for a required capacity
說明
abstract public Ds\Sequence::allocate(int
$capacity): voidEnsures that enough memory is allocated for a required capacity. This removes the need to reallocate the internal as values are added.
參數
-
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.
返回值
沒有返回值。
範例
示例 #1 Ds\Sequence::allocate() example
<?php
$sequence = new \Ds\Vector();
var_dump($sequence->capacity());
$vector->allocate(100);
var_dump($sequence->capacity());
?>
以上例程的輸出類似於：
int(10) int(100)