PHP | ArrayObject count() Function

The ArrayObject::count() function is an inbuilt function in PHP which is used to get the number of public properties in the ArrayObject.

Syntax:

int ArrayObject::count( void )

Parameters: This function does not accept any parameters.

Return Value: This function returns the number of public properties in the ArrayObject.

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

Program 1:

<?php
// PHP program to illustrate the
// ArrayObject::count() function

// Declare an array and convert it
// into array object
$arrObject = new ArrayObject(
    array('Geeks', 'for', 'Geeks')
);

// Use ArrayObject::count() function
// to count the number of public
// properties in the ArrayObject
$count = $arrObject->count();

print_r($count);

?>

Output:

3

Program 2:

<?php
// PHP program to illustrate the
// ArrayObject::count() function

// Declare an associative array
$arr = array(
    "a" => "Welcome",
    "b" => "to",
    "c" => "GeeksforGeeks"
);

// Create into array object
$arrObject = new ArrayObject($arr);

// Use ArrayObject::count() function
// to count the number of public
// properties in the ArrayObject
$count = $arrObject->count();

print_r($count);

?>

Output:

3

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