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PHP ArrayObject function setIteratorClass ()

Syntax:
void ArrayObject::setIteratorClass (string $iterator_class)
Parameters:This function takes one parameter, $iterator_class,which contains the name of the array iterator class. It is used when iterating over this object.Return value:This function does not return any value.The following programs illustrate the ArrayObject::setIteratorClass() function in PHP:Program 1:
// PHP illustration program
// ArrayObject::setIteratorClass() function 
// Custom ArrayIterator (inherited from ArrayIterator) class iteratorClass extends ArrayIterator {  
}   // Create array object $arrayObjectElement = new ArrayObject ( array ( ’Geeks’ , ’for’ , ’ Geeks’ ) );  
// Using the ArrayObject::setIteratorClass() function
// set the iterator class name for ArrayObject $arrayObjectElement -> setIteratorClass ( ’ iteratorClass’ ); print_r ( $arrayObjectElement -> getIterator());  
?>
Exit:
iteratorClass Object ( [storage: ArrayIterator: private] = > ArrayObject Object ([storage: ArrayObject: private] = > Array ([0] = > Geeks [1] = > for [2] = > Geeks)))
Program 2:
// PHP illustration program
// ArrayObject::setIteratorClass() function 
// Custom ArrayIterator (inherited 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 );  
// Using the ArrayObject::setIteratorClass() function
// set the iterator class name for ArrayObject $arrayObjectElement -> setIteratorClass ( ’ iteratorClass’ ); print_r ( $arrayObjectElement -> getIterator());  
?>
Exit:
iteratorClass Object ( [storage: ArrayIterator: private] = > ArrayObject Object ([storage: ArrayObject: private] = > Array ([a] = > Welcome [b] = > to [d] = > GeeksforGeeks)))
Link: https://www.php.net/manual /en/arrayobject.setiteratorclass.php

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