The offsetSet() function of the ArrayObject class in PHP is used to update the value present at a specific index in the ArrayObject.
Syntax:
void offsetSet($index, $val)
Parameters: This function accepts two parameters $index and $val. This function updates the value present at the index, $index with $val.
Return Value: This function does not returns any value.
Below programs illustrate the above function:
Program 1:
<?php // PHP program to illustrate the // offsetSet() function   $arr = array("neveropen100", "neveropen99", "neveropen1", "neveropen02");   // Create array object $arrObject = new ArrayObject($arr);   // Update the value at index 1 $arrObject->offsetSet(1, "Updated");   // Print the updated ArrayObject print_r($arrObject);   ?> |
Output:
ArrayObject Object
(
[storage:ArrayObject:private] => Array
(
[0] => neveropen100
[1] => Updated
[2] => neveropen1
[3] => neveropen02
)
)
Program 2:
<?php // PHP program to illustrate the // offsetSet() function   $arr = array("Welcome"=>"1", "to" => "2", "GfG" => "3");   // Create array object $arrObject = new ArrayObject($arr);   // Update the value at index "to" $arrObject->offsetSet("to", "UpdatedValue");   // Print the updated ArrayObject print_r($arrObject);   ?> |
Output:
ArrayObject Object
(
[storage:ArrayObject:private] => Array
(
[Welcome] => 1
[to] => UpdatedValue
[GfG] => 3
)
)
Reference: http://php.net/manual/en/arrayobject.offsetset.php
