SplObjectStorage
PHP Manual

SplObjectStorage::contains

(PHP 5 >= 5.1.0, PHP 7)

SplObjectStorage::containsChecks if the storage contains a specific object

Description

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
PHP Manual