SplObjectStorage
PHP Manual

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 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

<?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