PHP Manual: Unsets the value at the specified index

public void ArrayObject::offsetUnset ( mixed $index )

Unsets the value at the specified index.

No value is returned.

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) {
  [0]=>
  string(4) "zero"
}