PHP | ArrayObject setIteratorClass() Function
Last Updated :
27 Sep, 2019
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The ArrayObject::setIteratorClass() function is an inbuilt function in PHP which is used to set the iterator classname for the ArrayObject.
Syntax:
php
php
void ArrayObject::setIteratorClass( string $iterator_class )Parameters: This function accepts single parameter $iterator_class which holds the class name of the array iterator. It is used when iterating it over this object. Return Value: This function does not return any value. Below programs illustrate the ArrayObject::setIteratorClass() function in PHP: Program 1:
<?php
// PHP program to illustrate the
// ArrayObject::setIteratorClass() function
// Custom ArrayIterator (inherits from ArrayIterator)
class iteratorClass extends ArrayIterator {
}
// Create array object
$arrayObjectElement = new ArrayObject(
array('Geeks', 'for', 'Geeks')
);
// Use ArrayObject::setIteratorClass() function
// to set the iterator classname for the ArrayObject
$arrayObjectElement->setIteratorClass('iteratorClass');
print_r($arrayObjectElement->getIterator());
?>
Output:
Program 2:
iteratorClass Object
(
[storage:ArrayIterator:private] => ArrayObject Object
(
[storage:ArrayObject:private] => Array
(
[0] => Geeks
[1] => for
[2] => Geeks
)
)
)
<?php
// PHP program to illustrate the
// ArrayObject::setIteratorClass() function
// Custom ArrayIterator (inherits from ArrayIterator)
class iteratorClass extends ArrayIterator {
}
// Declare an associative array
$arr = array(
"a" => "Welcome",
"b" => "to",
"d" => "GeeksforGeeks"
);
// Create array object
$arrayObjectElement = new ArrayObject($arr);
// Use ArrayObject::setIteratorClass() function
// to set the iterator classname for the ArrayObject
$arrayObjectElement->setIteratorClass('iteratorClass');
print_r($arrayObjectElement->getIterator());
?>
Output:
Reference: https://www.php.net/manual/en/arrayobject.setiteratorclass.php
iteratorClass Object
(
[storage:ArrayIterator:private] => ArrayObject Object
(
[storage:ArrayObject:private] => Array
(
[a] => Welcome
[b] => to
[d] => GeeksforGeeks
)
)
)
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