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SplObjectStorage::count

(PHP 5 >= 5.1.0, PHP 7)

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

Description

代码语言:javascript
复制
public int SplObjectStorage::count ( void )

Counts the number of objects in the storage.

Parameters

This function has no parameters.

Return Values

The number of objects in the storage.

Examples

Example #1 SplObjectStorage::count() example

代码语言:javascript
复制
<?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));
?>

The above example will output something similar to:

代码语言:javascript
复制
int(2)
int(2)

See Also

  • SplObjectStorage::attach() - Adds an object in the storage
  • SplObjectStorage::detach() - Removes an object from the storage

← SplObjectStorage::contains

SplObjectStorage::current →

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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