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    Ds\Sequence::shift

    (PECL ds >= 1.0.0)

    Ds\Sequence::shift — Removes and returns the first value

    Descrizione

    abstract public Ds\Sequence::shift(): mixed

    Removes and returns the first value.

    Elenco dei parametri

    Questa funzione non contiene parametri.

    Valori restituiti

    The first value, which was removed.

    Errori/Eccezioni

    UnderflowException if empty.

    Esempi

    Example #1 Ds\Sequence::shift() example

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

    var_dump($sequence->shift());
    var_dump($sequence->shift());
    var_dump($sequence->shift());
    ?>

    Il precedente esempio visualizzerà qualcosa simile a:

    string(1) "a"
string(1) "b"
string(1) "c"
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