Ds\Sequence::apply
(PECL ds >= 1.0.0)
Ds\Sequence::apply — Updates all values by applying a callback function to each value
Descrizione
Updates all values by applying a callback function to
each value in the sequence.
Elenco dei parametri
-
callback -
A callable to apply to each value in the sequence.
The callback should return what the value should be replaced by.
Valori restituiti
Nessun valore viene restituito.
Esempi
Example #1 Ds\Sequence::apply() example
<?php
$sequence = new \Ds\Sequence([1, 2, 3]);
$sequence->apply(function($value) { return $value * 2; });
print_r($sequence);
?>Il precedente esempio visualizzerà qualcosa simile a:
Ds\Vector Object
(
[0] => 2
[1] => 4
[2] => 6
)
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