Ds\Deque::sorted

(PECL ds >= 1.0.0)

Ds\Deque::sorted — Returns a sorted copy

public Ds\Deque::sorted(callable $comparator = ?): Ds\Deque

Returns a sorted copy, using an optional comparator function.

comparator: La funzione di confronto deve restituire un intero minore, uguale o maggiore di zero se il primo argomento è considerato essere minore, uguale o maggiore del secondo.

callback(mixed $a, mixed $b): int

Attenzione
Returning non-integer values from the comparison function, such as float, will result in an internal cast to int of the callback's return value. So values such as 0.99 and 0.1 will both be cast to an integer value of 0, which will compare such values as equal.

Returns a sorted copy of the deque.

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

<?php
$deque = new \Ds\Deque([4, 5, 1, 3, 2]);

print_r($deque->sorted());
?>

Il precedente esempio visualizzerà qualcosa simile a:

Ds\Deque Object
(
    [0] => 1
    [1] => 2
    [2] => 3
    [3] => 4
    [4] => 5
)

Example #2 Ds\Deque::sorted() example using a comparator

<?php
$deque = new \Ds\Deque([4, 5, 1, 3, 2]);

$sorted = $deque->sorted(function($a, $b) {
    return $b <=> $a;
});

print_r($sorted);
?>

Il precedente esempio visualizzerà qualcosa simile a:

Ds\Deque Object
(
    [0] => 5
    [1] => 4
    [2] => 3
    [3] => 2
    [4] => 1
)

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