Ds\Deque::apply
(PECL ds >= 1.0.0)
Ds\Deque::apply — Updates all values by applying a callback function to each value
Descrierea
Updates all values by applying a callback function to
each value in the deque.
Parametri
-
callback -
A callable to apply to each value in the deque.
The callback should return what the value should be replaced by.
Valorile întoarse
Nu este întoarsă nici o valoare.
Exemple
Example #1 Ds\Deque::apply() example
<?php
$deque = new \Ds\Deque([1, 2, 3]);
$deque->apply(function($value) { return $value * 2; });
print_r($deque);
?>
Exemplul de mai sus va afișa ceva similar cu:
Ds\Deque Object
(
[0] => 2
[1] => 4
[2] => 6
)
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