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PHP SplDoublyLinkedList rewind () function

Syntax:
void SplDoublyLinkedList::rewind (void)
Parameters:this function takes no parameters.Return value:does not return any value.The programs below illustrate the function SplDoublyLinkedList::rewind() in PHP:Program 1:  
// Declare an empty SplDoublyLinkedList $list = new SplDoublyLinkedList;  
// Use the SplDoublyLinkedList::add() function for
// add elements to SplDoublyLinkedList $list -> add (0, 30); $list -> add (1, 20); $list -> add (2, 30); $list -> add (3, " Geeks " ); $list -> add (4, ’ G’ );  
// Using the rewind() function $list -> rewind ();  
// Use the SplDoublyLinkedList::current() function
// to get the current element var_dump ( $list -> current());  
?>
Exit:
int (30 )
Program 2:  
// Declare an empty SplDoublyLinkedList $list = new SplDoublyLinkedList();  
// Use the SplDoublyLinkedList::push() function for
// add elements to SplDoublyLinkedList $list -> push (1); $list -> push (2); $list -> push (3); $list -> push (8); $list -> push (5);  
// Using the rewind() function $list -> rewind ();  
// Show items
// doubly linked list var_dump ( $list );  
?>
Exit:
object (SplDoublyLinkedList ) # 1 (2) {["flags": "SplDoublyLinkedList": private] = > int (0) ["dllist": "SplDoublyLinkedList": private] = > array (5) {[0] = > int (1) [1] = > int (2) [2] = > int (3) [3] = > int (8) [4] = > int (5)}}
Link: https://www.php.net/manual/en/spldoublylinkedlist.rewind.php

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