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Ds\Vector::rotate

(PECL ds >= 1.0.0)

Ds\Vector::rotateRotates the vector by a given number of rotations

Description

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

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.

Liste de paramètres

rotations

The number of times the vector should be rotated.

Valeurs de retour

Aucune valeur n'est retournée.. The vector of the current instance will be rotated.

Exemples

Exemple #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);
?>

L'exemple ci-dessus va afficher quelque chose de similaire à :

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