Ds\Vector::copy
(PECL ds >= 1.0.0)
Ds\Vector::copy — Returns a shallow copy of the vector
參數
此函式沒有參數。
返回值
Returns a shallow copy of the vector.
範例
示例 #1 Ds\Vector::copy() example
<?php
$a = new \Ds\Vector([1, 2, 3]);
$b = $a->copy();
// Updating the copy doesn't affect the original
$b->push(4);
print_r($a);
print_r($b);
?>
以上例程的輸出類似於：
Ds\Vector Object
(
[0] => 1
[1] => 2
[2] => 3
)
Ds\Vector Object
(
[0] => 1
[1] => 2
[2] => 3
[3] => 4
)