GoLang Ds\Deque::apply

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PHP Ds\Deque::apply

PHP original manual for Ds\Deque::apply [ show | php.net ]

(PECL ds >= 1.0.0)

Ds\Deque::apply — Updates all values by applying a callback function to each value

public void Ds\Deque::apply ( callable $callback )

Updates all values by applying a callback function to each value in the deque.

callback

mixed callback ( mixed $value )

A callable to apply to each value in the deque.

The callback should return what the value should be replaced by.

No value is returned.

Example #1 Ds\Deque::apply() example


<?php
$deque = new \Ds\Deque([1, 2, 3]);
$deque->apply(function($value) { return $value * 2; });

print_r($deque);
?>

The above example will output something similar to:

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