Checks if the storage contains a specific object

# SplObjectStorage::contains

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

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

Warning

This function has been DEPRECATED as of PHP 8.5.0. Relying on this function is highly discouraged.

### Description

#[\Deprecated]
public SplObjectStorage::contains(object `$object`): bool

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

`<?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:

    bool(true)
    bool(false)

### See Also

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

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