Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP Ds Deque rotate() Function.
The built-in PHP Ds Deque rotate() function rotates the deque by a given number of rotations that is equivalent to successively calling $deque->push($deque->shift()) if the number of rotations is positive, or calling $deque->unshift($deque->pop()) if the number of rotations is negative.
The built-in PHP Ds Deque rotate() function rotates the deque by a given number of rotations that is equivalent to successively calling $deque->push($deque->shift()) if the number of rotations is positive, or calling $deque->unshift($deque->pop()) if the number of rotations is negative.
Syntax
Following below is the syntax to use this function -
public void Ds\Deque::rotate( int $rotations )
Return Value
This built-in PHP function does not return any value.
Example1
Try out the below example -
<?php $deque = new \Ds\Deque([1, 2, 3, 4, 5]); echo("The elements in deque: \n"); print_r($deque); $deque->rotate(3); echo("The rotated deque: \n"); print_r($deque); ?>
Example2
Try the following example -
<?php $deque = new \Ds\Deque(["Web", "Design", "Tutorialz", "Nigeria"]); echo("The elements in deque: \n"); print_r($deque); $deque->rotate(3); echo("The rotated deque: \n"); print_r($deque); ?>
Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we are going to be discussing about the PHP Ds Deque set() Function.
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Thanks for reading and bye for now.