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(PECL ds >= 1.0.0)
Ds\Deque::isEmpty — Retorna se o deque está vazio
Esta função não possui parâmetros.
Exemplo #1 Ds\Deque::isEmpty() exemplo
<?php
$a = new \Ds\Deque([1, 2, 3]);
$b = new \Ds\Deque();
var_dump($a->isEmpty());
var_dump($b->isEmpty());
?>
O exemplo acima produzirá algo semelhante a:
bool(false) bool(true)