# ArrayObject::offsetSet

(PHP 5, PHP 7)

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

### Description

public ArrayObject::offsetSet ( mixed `$index` , mixed `$newval` ) : void

Sets the value at the specified index to newval.

### Parameters

`index`

  The index being set.

`newval`

  The new value for the `index`.

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

### See Also

- ArrayObject::append() - Appends the value