PHP Australia Conference 2015

SplObjectStorage::attach

(PHP 5 >= 5.1.0)

SplObjectStorage::attachAdds an object in the storage

Descrizione

public void SplObjectStorage::attach ( object $object [, mixed $data = NULL ] )

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

Elenco dei parametri

object

The object to add.

data

The data to associate with the object.

Valori restituiti

Nessun valore viene restituito.

Esempi

Example #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]);

?>

Il precedente esempio visualizzerĂ  qualcosa simile a:

NULL
string(5) "hello"

Log delle modifiche

Versione Descrizione
5.3.0 Added the data parameter.

Vedere anche:

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User Contributed Notes 1 note

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rafal dot wrzeszcz at wrzasq dot pl
1 year 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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