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SplObjectStorage::attach

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

SplObjectStorage::attach — Adds an object in the storage

Avviso

This function has been DEPRECATED as of PHP 8.5.0. Relying on this function is highly discouraged.

Descrizione

#[\Deprecated]
public function SplObjectStorage::attach(object $object, mixed $info = null): void

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

This method is an alias of SplObjectStorage::offsetSet().

Elenco dei parametri

object

The object to add.

info

The data to associate with the object.

Valori restituiti

Nessun valore viene restituito.

Log delle modifiche

Versione Descrizione
8.5.0 This method has been deprecated in favor of SplObjectStorage::offsetSet().

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 visualizzerà qualcosa simile a:

NULL
string(5) "hello"

Vedere anche: