PHP SplDoublyLinkedList pop() Function Last Updated : 23 Jun, 2023 Comments Improve Suggest changes Like Article Like Report 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 popped node in the doubly linked list. The below programs illustrate the SplDoublyLinkedList::pop() 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"); $list->add(4, 'G'); // Use SplDoublyLinkedList::pop() function // to remove elements from doubly linked list var_dump($list->pop()); var_dump($list->pop()); ?> Output:string(1) "G" string(5) "Geeks" 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); $list->push(5); // Use SplDoublyLinkedList::pop() function // to remove elements from doubly linked list var_dump($list->pop()); var_dump($list->pop()); var_dump($list->pop()); ?> Output:int(5) int(8) int(3) Reference: https://www.php.net/manual/en/spldoublylinkedlist.pop.php Comment More infoAdvertise with us Next Article PHP SplDoublyLinkedList pop() 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 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 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 PHP SplDoublyLinkedList top() Function The SplDoublyLinkedList::top() function is an inbuilt function in PHP which is used to return the value of last (top) node in a doubly-linked list. Syntax: mixed SplDoublyLinkedList::top( void ) Parameters: This function does not accepts any parameters. Return Value: It returns the value of last nod 1 min read PHP SplDoublyLinkedList shift() Function 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 shif 1 min read Like