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ArrayObject::offsetUnset

(PHP 5, PHP 7, PHP 8)

ArrayObject::offsetUnset — Unsets the value at the specified index

Description

public ArrayObject::offsetUnset(mixed $key): void

Unsets the value at the specified index.

Parameters

key

The index being unset.

Return Values

No value is returned.

Examples

Example #1 ArrayObject::offsetUnset() example

<?php
$arrayobj = new ArrayObject(array(0=>'zero',2=>'two'));
$arrayobj->offsetUnset(2);
var_dump($arrayobj);
?>

The above example will output:

object(ArrayObject)#1 (1) {
  ["storage":"ArrayObject":private]=>
  array(1) {
    [0]=>
    string(4) "zero"
  }
}

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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/arrayobject.offsetunset.php