update : 2015.11.03
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Returns the number of objects in the storage
SplObjectStorage
PHP Manual

SplObjectStorage::count

(PHP 5 >= 5.1.0)

SplObjectStorage::count — Returns the number of objects in the storage

설명

public int SplObjectStorage::count ( void )

Counts the number of objects in the storage.

인수

이 함수는 인수가 없습니다.

반환값

The number of objects in the storage.

예제

Example #1 SplObjectStorage::count() example

<?php
$s = new SplObjectStorage();
$o1 = new StdClass;
$o2 = new StdClass;

$s->attach($o1);
$s->attach($o2);
$s->attach($o1);
var_dump($s->count());
var_dump(count($s));
?>

위 예제의 출력 예시:

int(2)
int(2)

참고

SplObjectStorage
PHP Manual