PHP Velho Oeste 2024

SplObjectStorage::attach

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

SplObjectStorage::attachAdds an object in the storage

Descrição

public SplObjectStorage::attach(object $object, mixed $info = null): void

Adds an object inside the storage, and optionally associate it to some data.

Parâmetros

object

The object to add.

info

The data to associate with the object.

Valor Retornado

Nenhum valor é retornado.

Exemplos

Exemplo #1 SplObjectStorage::attach() example

<?php
$o1
= new stdClass;
$o2 = new stdClass;
$s = new SplObjectStorage();
$s->attach($o1); // similar to $s[$o1] = NULL;
$s->attach($o2, "hello"); // similar to $s[$o2] = "hello";

var_dump($s[$o1]);
var_dump($s[$o2]);

?>

O exemplo acima produzirá algo semelhante a:

NULL
string(5) "hello"

Veja Também

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User Contributed Notes 1 note

up
-7
rafal dot wrzeszcz at wrzasq dot pl
10 years ago
Better way (imho) is to call:

$storage->removeAll($storage);

Especially, that sometimes (had no time to investigate) removeAllExcept(new SplObjectStorage()) leaves some elements.
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