(PECL ds >= 1.0.0)
Ds\Vector::allocate — Allocates enough memory for a required capacity
$capacity
) : voidEnsures that enough memory is allocated for a required capacity. This removes the need to reallocate the internal as values are added.
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.
没有返回值。
示例 #1 Ds\Vector::allocate() example
<?php
$vector = new \Ds\Vector();
var_dump($vector->capacity());
$vector->allocate(100);
var_dump($vector->capacity());
?>
以上例程的输出类似于:
int(10) int(100)