PHP SplDoublyLinkedList shift() Function Last Updated : 23 Jun, 2023 Comments Improve Suggest changes Like Article Like Report The SplDoublyLinkedList::shift() function is an inbuilt function in PHP which is used to shift the node from the beginning of the doubly linked list. Syntax: mixed SplDoublyLinkedList::shift( void ) Parameters: This function does not accepts any parameters. Return Value: It returns the value of shifted node. Below programs illustrate the SplDoublyLinkedList::shift() 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"); $list->add(4, 'G'); // Use shift() function var_dump($list->shift()); var_dump($list->shift()); var_dump($list->shift()); ?> Output: int(30) int(20) int(30) 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); $list->push(5); // Use shift() function var_dump($list->shift()); var_dump($list->shift()); var_dump($list->shift()); var_dump($list->shift()); ?> Output: int(1) int(2) int(3) int(8) Reference: https://www.php.net/manual/en/spldoublylinkedlist.shift.php Comment More infoAdvertise with us Next Article PHP SplDoublyLinkedList shift() Function J jit_t Follow Improve Article Tags : Web Technologies PHP PHP-function Similar Reads PHP SplDoublyLinkedList push() Function The SplDoublyLinkedList::push() function is an inbuilt function in PHP which is used to push an element at the end of the doubly linked list. Syntax: void SplDoublyLinkedList::push( $value ) Parameters: This function accepts a single parameter $value which holds an element to push it at the end of d 1 min read PHP SplDoublyLinkedList pop() Function The SplDoublyLinkedList::pop() function is an inbuilt function in PHP which is used to pop the node from the end of the doubly linked list. Syntax: mixed SplDoublyLinkedList::pop( void ) Parameters: This function does not accept any parameters. Return Value: This function returns the value of a popp 1 min read PHP SplDoublyLinkedList prev() Function The SplDoublyLinkedList::prev() function is an inbuilt function in PHP which is used to move to the previous entry. Syntax: void SplDoublyLinkedList::prev( void ) Parameters: This function does not accepts any parameters. Return Value: It does not return any value. Below programs illustrate the SplD 1 min read PHP SplDoublyLinkedList rewind() Function The SplDoublyLinkedList::rewind() function is an inbuilt function in PHP which is used to rewind the iterator back to the start or beginning. Syntax: void SplDoublyLinkedList::rewind( void ) Parameters: This function does not accepts any parameters. Return Value: It does not return any value. Below 1 min read PHP | SplDoublyLinkedList serialize() Function The SplDoublyLinkedList::serialize() function is an inbuilt function in PHP which is used to serializes the storage. Syntax: string SplDoublyLinkedList::serialize( void ) Parameters: This function does not accept any parameters. Return Value: This function returns the serialized string. Below progra 1 min read Like