GoLang Ds\Vector::rotate

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PHP Ds\Vector::rotate

PHP original manual for Ds\Vector::rotate [ show | php.net ]

Ds\Vector::rotate

(PECL ds >= 1.0.0)

Ds\Vector::rotate — Rotates the vector by a given number of rotations

Description

public void Ds\Vector::rotate ( int $rotations )

Rotates the vector by a given number of rotations, which is equivalent to successively calling $vector->push($vector->shift()) if the number of rotations is positive, or $vector->unshift($vector->pop()) if negative.

Parameters

rotations

The number of times the vector should be rotated.

Return Values

No value is returned.. The vector of the current instance will be rotated.

Examples

Example #1 Ds\Vector::rotate() example

<?php
$vector = new \Ds\Vector(["a", "b", "c", "d"]);

$vector->rotate(1);  // "a" is shifted, then pushed.
print_r($vector);

$vector->rotate(2);  // "b" and "c" are both shifted, the pushed.
print_r($vector);
?>

The above example will output something similar to:

(
    [0] => b
    [1] => c
    [2] => d
    [3] => a
)
Ds\Vector Object
(
    [0] => d
    [1] => a
    [2] => b
    [3] => c
)