Sets the value at the specified index to newval

# ArrayObject::offsetSet

(PHP 5, PHP 7, PHP 8)

ArrayObject::offsetSet — Sets the value at the specified index to newval

### Description

public ArrayObject::offsetSet(mixed `$key`, mixed `$value`): void

Sets the value at the specified index to newval.

### Parameters

`key`

  The index being set.

`value`

  The new value for the `key`.

### Return Values

No value is returned.

### Examples

Example #1 ArrayObject::offsetSet() example

`<?php
class Example {
public $property = 'prop:public';
}
$arrayobj = new ArrayObject(new Example());
$arrayobj->offsetSet(4, 'four');
$arrayobj->offsetSet('group', array('g1', 'g2'));
var_dump($arrayobj);
$arrayobj = new ArrayObject(array('zero','one'));
$arrayobj->offsetSet(null, 'last');
var_dump($arrayobj);
?>`

The above example will output:

    object(ArrayObject)#1 (1) {
      ["storage":"ArrayObject":private]=>
      object(Example)#2 (3) {
        ["property"]=>
        string(11) "prop:public"
        ["4"]=>
        string(4) "four"
        ["group"]=>
        array(2) {
          [0]=>
          string(2) "g1"
          [1]=>
          string(2) "g2"
        }
      }
    }
    object(ArrayObject)#3 (1) {
      ["storage":"ArrayObject":private]=>
      array(3) {
        [0]=>
        string(4) "zero"
        [1]=>
        string(3) "one"
        [2]=>
        string(4) "last"
      }
    }

### See Also

- ArrayObject::append() - Appends the value

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