(PHP 5 >= 5.1.0, PHP 7, PHP 8)
SplObjectStorage::attach — Adds an object in the storage
Adds an object inside the storage, and optionally associate it to some data.
object
The object to add.
info
The data to associate with the object.
Não há valor retornado.
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 irá imprimir algo similar à:
NULL string(5) "hello"