Ds\Sequence::set
(PECL ds >= 1.0.0)
Ds\Sequence::set — Updates a value at a given index
说明
abstract public Ds\Sequence::set(int$index
, mixed $value
): void
Updates a value at a given index.
参数
index
The index of the value to update.
value
The new value.
返回值
没有返回值。
错误/异常
OutOfRangeException if the index is not valid.
范例
示例 #1 Ds\Sequence::set() example
<?php
$sequence = new \Ds\Vector(["a", "b", "c"]);
$sequence->set(1, "_");
print_r($sequence);
?>
以上例程的输出类似于:
Ds\Vector Object ( [0] => a [1] => _ [2] => c )
示例 #2 Ds\Sequence::set() example using array syntax
<?php
$sequence = new \Ds\Vector(["a", "b", "c"]);
$sequence[1] = "_";
print_r($sequence);
?>
以上例程的输出类似于:
Ds\Vector Object ( [0] => a [1] => _ [2] => c )
User Contributed Notes
There are no user contributed notes for this page.官方地址:https://www.php.net/manual/en/ds-sequence.set.php
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