Ds\Vector::rotate

    (PECL ds >= 1.0.0)

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

    Description

    publicDs\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);
    ?>

    Résultat de l'exemple ci-dessus est 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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