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SplObjectStorage::offsetGet

(PHP 5 >= 5.3.0, PHP 7)

SplObjectStorage::offsetGet — Returns the data associated with an object

Description

代码语言:javascript
复制
public mixed SplObjectStorage::offsetGet ( object $object )

Returns the data associated with an object in the storage.

Parameters

object

The object to look for.

Return Values

The data previously associated with the object in the storage.

Errors/Exceptions

Throws UnexpectedValueException when object could not be found.

Examples

Example #1 SplObjectStorage::offsetGet() example

代码语言:javascript
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<?php
$s?=?new?SplObjectStorage;

$o1?=?new?StdClass;
$o2?=?new?StdClass;

$s[$o1]?=?"hello";
$s->attach($o2);


var_dump($s->offsetGet($o1));?//?Similar?to?$s[$o1]
var_dump($s->offsetGet($o2));?//?Similar?to?$s[$o2]
?>

The above example will output something similar to:

代码语言:javascript
复制
string(5) "hello"
NULL

See Also

  • SplObjectStorage::offsetSet() - Associates data to an object in the storage
  • SplObjectStorage::offsetExists() - Checks whether an object exists in the storage
  • SplObjectStorage::offsetUnset() - Removes an object from the storage

← SplObjectStorage::offsetExists

SplObjectStorage::offsetSet →

代码语言:txt
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 ? 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

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