The Ds\Deque::shift() function is an inbuilt function in PHP which is used to remove and return the first value of deque.
Syntax:
mixed Ds\Deque::shift( void )
Parameters: This function does not accept any parameters.
Return Value: This function returns the first value of deque which was removed.
Below programs illustrate the Ds\Deque::shift() function in PHP:
Program 1:
<?php // Declare a deque $deq = new \Ds\Deque([10, 20, 30, 40, 50, 60]); // Use Ds\Deque::shift() function var_dump($deq -> shift()); var_dump($deq -> shift()); var_dump($deq -> shift()); var_dump($deq -> shift()); var_dump($deq -> shift()); var_dump($deq -> shift()); ?> |
Output:
int(10) int(20) int(30) int(40) int(50) int(60)
Program 2:
<?php // Declare a deque $deq = new \Ds\Deque(["neveropen", "for", "neveropen"]); // Use Ds\Deque::shift() function var_dump($deq -> shift()); var_dump($deq -> shift()); var_dump($deq -> shift()); // Declare a deque $deq = new \Ds\Deque(['G', 'E', 'E', 'K', 'S', 1, 2, 3]); // Use Ds\Deque::shift() function var_dump($deq -> shift()); var_dump($deq -> shift()); var_dump($deq -> shift()); ?> |
Output:
string(5) "neveropen" string(3) "for" string(5) "neveropen" string(1) "G" string(1) "E" string(1) "E"
Reference: https://www.php.net/manual/en/ds-deque.shift.php
Whether you’re preparing for your first job interview or aiming to upskill in this ever-evolving tech landscape, neveropen Courses are your key to success. We provide top-quality content at affordable prices, all geared towards accelerating your growth in a time-bound manner. Join the millions we’ve already empowered, and we’re here to do the same for you. Don’t miss out – check it out now!
