PHP Velho Oeste 2024

SplObjectStorage::attach

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

SplObjectStorage::attachAdds an object in the storage

Açıklama

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

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

Bağımsız Değişkenler

object

The object to add.

info

The data to associate with the object.

Dönen Değerler

Hiçbir değer dönmez.

Örnekler

Örnek 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]);

?>

Yukarıdaki örnek şuna benzer bir çıktı üretir:

NULL
string(5) "hello"

Ayrıca Bakınız

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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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