SplObjectStorage::attach
(PHP 5 >= 5.1.0, PHP 7, PHP 8)
SplObjectStorage::attach — Adds an object in the storage
Descrizione
Adds an object inside the storage, and optionally associate it to some data.
Elenco dei parametri
-
object -
The object to add.
-
info -
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 visualizzerà qualcosa simile a:
NULL string(5) "hello"
Vedere anche:
- SplObjectStorage::detach() - Removes an object from the storage
- SplObjectStorage::offsetSet() - Associates data to an object in the storage
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