Ds\Sequence::map

    (PECL ds >= 1.0.0)

    Ds\Sequence::map — Returns the result of applying a callback to each value

    Açıklama

    abstractpublicDs\Sequence::map(callable$callback): Ds\Sequence

    Returns the result of applying a callback function to each value in the sequence.

    Bağımsız Değişkenler

    callback

    callback(mixed$value): mixed

    A callable to apply to each value in the sequence.

    The callable should return what the new value will be in the new sequence.

    Dönen Değerler

    The result of applying a callback to each value in the sequence.

    Bilginize:

    The values of the current instance won't be affected.

    Örnekler

    Örnek 1 Ds\Sequence::map() example

    <?php
    $sequence     = new \Ds\Vector([1, 2, 3]);

    print_r($sequence->map(function($value) { return $value * 2; }));
    print_r($sequence);
    ?>

    Yukarıdaki örnek şuna benzer bir çıktı üretir:

    Ds\Vector Object ( [0] => 2 [1] => 4 [2] => 6 ) Ds\Vector Object ( [0] => 1 [1] => 2 [2] => 3 )
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