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SplObjectStorage::contains

(PHP 5 >= 5.1.0, PHP 7)

SplObjectStorage::contains — Checks if the storage contains a specific object

Description

代码语言:javascript
复制
public bool SplObjectStorage::contains ( object $object )

Checks if the storage contains the object provided.

Parameters

object

The object to look for.

Return Values

Returns TRUE if the object is in the storage, FALSE otherwise.

Examples

Example #1 SplObjectStorage::contains() example

代码语言:javascript
复制
<?php
$o1?=?new?StdClass;
$o2?=?new?StdClass;

$s?=?new?SplObjectStorage();

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

The above example will output something similar to:

代码语言:javascript
复制
bool(true)
bool(false)

See Also

  • SplObjectStorage::offsetExists() - Checks whether an object exists in the storage

← SplObjectStorage::attach

SplObjectStorage::count →

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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