PHP SplObjectStorage count() Function

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The SplObjectStorage::count() function is an inbuilt function in PHP which is used to count the number of objects in storage.

Syntax:

int SplObjectStorage::count()

Parameters: This function does not contains any parameter.

Return Value: This function returns number of objects in storage.

Below programs illustrate the SplObjectStorage::count() function in PHP:

Program 1:

<?php 
  
// Declare Empty SplObjectStorage 
$gfg = new SplObjectStorage(); 
$gfg1 = new StdClass; 
$gfg2 = new StdClass; 
$gfg3 = new StdClass; 
  
// Add object to SplObjectStorage class 
$gfg->attach($gfg1); 
$gfg->attach($gfg2); 
$gfg->attach($gfg3); 
  
// Use count() function to count object 
var_dump($gfg->count()); 
?> 

Output:

int(3)

Program 2:

<?php 
  
// Declare Empty SplObjectStorage 
$gfg = new SplObjectStorage(); 
$gfg1 = new StdClass; 
$gfg2 = new StdClass; 
$gfg3 = new StdClass; 
  
// Add object to SplObjectStorage class 
$gfg->attach($gfg1); 
$gfg->attach($gfg2); 
$gfg->attach($gfg3); 
  
// Use count in different way 
// Passing object as parameter 
var_dump(count($gfg)); 
?> 

Output:

int(3)

Reference: https://www.php.net/manual/en/splobjectstorage.count.php

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