PHP SplDoublyLinkedList offsetSet() Function Last Updated : 23 Jun, 2023 Summarize Comments Improve Suggest changes Share Like Article Like Report The SplDoublyLinkedList::offsetSet() function is an inbuilt function in PHP which is used to set the value at given index. Syntax: void SplDoublyLinkedList::offsetSet( $index, $newval ) Parameters: This function accepts two parameters as mentioned above and described below: $index: It holds the index where value to be set. $newval: It holds the value which to be set at given index. Return Value: It does not return any value. Below programs illustrate the SplDoublyLinkedList::offsetSet() function in PHP: Program 1: php <?php // Declare an empty SplDoublyLinkedList $list = new \SplDoublyLinkedList; // Use SplDoublyLinkedList::add() function to // add elements to the SplDoublyLinkedList $list->add(0, 30); $list->add(1, 20); $list->add(2, 30); $list->add(3, "Geeks"); $list->add(4, 'G'); $list->rewind(); // Use SplDoublyLinkedList::offsetSet() function // to set the value at given index $list->offsetSet(1, "GeeksforGeeks"); $list->offsetSet(2, "Welcome"); var_dump($list); ?> Output: object(SplDoublyLinkedList)#1 (2) { ["flags":"SplDoublyLinkedList":private]=> int(0) ["dllist":"SplDoublyLinkedList":private]=> array(5) { [0]=> int(30) [1]=> string(13) "GeeksforGeeks" [2]=> string(7) "Welcome" [3]=> string(5) "Geeks" [4]=> string(1) "G" } } Program 2: php <?php // Declare an empty SplDoublyLinkedList $list = new \SplDoublyLinkedList(); // Use SplDoublyLinkedList::push() function to // add elements to the SplDoublyLinkedList $list->push(1); $list->push(2); $list->push(3); $list->push(8); $list->push(5); // Use SplDoublyLinkedList::offsetSet() function // to set the value at given index $list->offsetSet(1, "Welcome"); $list->offsetSet(2, "to"); $list->offsetSet(3, "GeeksforGeeks"); print_r($list); ?> Output: SplDoublyLinkedList Object ( [flags:SplDoublyLinkedList:private] => 0 [dllist:SplDoublyLinkedList:private] => Array ( [0] => 1 [1] => Welcome [2] => to [3] => GeeksforGeeks [4] => 5 ) ) Reference: https://www.php.net/manual/en/spldoublylinkedlist.offsetset.php Comment More infoAdvertise with us Next Article PHP SplDoublyLinkedList next() Function J jit_t Follow Improve Article Tags : Web Technologies PHP PHP-function Similar Reads PHP SplDoublyLinkedList offsetGet() Function The SplDoublyLinkedList::offsetGet() function is an inbuilt function in PHP which returns the value at given index. Syntax: mixed SplDoublyLinkedList::offsetGet( $index ) Parameters: This function accepts a single parameter $index which holds the index value. Return Value: It returns the value at gi 1 min read PHP SplDoublyLinkedList offsetUnset() Function The SplDoublyLinkedList::offsetUnset() function is an inbuilt function in PHP which is used to unset the value at given index. Syntax: void SplDoublyLinkedList::offsetUnset( $index ) Parameters: This function accepts a single parameter $index which holds the index value whose value to be unset. Retu 1 min read PHP SplDoublyLinkedList offsetExists() Function The SplDoublyLinkedList::offsetExists() function is an inbuilt function in PHP which is used to check whether the given index exists or not. Syntax: bool SplDoublyLinkedList::offsetExists( $index ) Parameters: This function accepts a single parameter $index which holds the index value to be checked. 1 min read PHP SplDoublyLinkedList next() Function The SplDoublyLinkedList::next() function is an inbuilt function in PHP which is used to move the index into next index. Syntax: void SplDoublyLinkedList::next( void ) Parameters: This function does not accept any parameter. Return Value: It does not return any value. Below programs illustrate the Sp 1 min read PHP SplDoublyLinkedList isEmpty() Function The SplDoublyLinkedList::isEmpty() function is an inbuilt function in PHP which is used to check whether the doubly linked list is empty or not. Syntax: bool SplDoublyLinkedList::isEmpty( void ) Parameters: This function does not accepts any parameters. Return Value: This function returns True if do 1 min read PHP SplDoublyLinkedList key() Function The SplDoublyLinkedList::key() function is an inbuilt function in PHP which is used to return the index of the current node. Syntax: mixed SplDoublyLinkedList::key( void ) Parameters: This function does not accepts any parameters. Return Value: It returns the index of current node. Below programs il 1 min read Like