PHP | ArrayIterator count() Function

The ArrayIterator::count() function is an inbuilt function in PHP which is used to count the elements of array iterator.
Syntax:

int ArrayIterator::count( void )

Parameters: This function does not accept any parameters.
Return Value: This function returns the number of element present in the array iterator.
Below programs illustrate the ArrayIterator::count() function in PHP:
Program 1:

php

<?php

// Declare an ArrayIterator
$arrItr = new ArrayIterator(
    array('G', 'e', 'e', 'k', 's')
);

// Count the element into array iterator
echo $arrItr->count();

?>

Output:

5

Program 2:

php

<?php

// Declare an ArrayIterator
$arrItr = new ArrayIterator(
    array("Geeks", "for", "Geeks"),
    ArrayIterator::STD_PROP_LIST
);

// Count the array element
echo $arrItr->count();

?>

Output:

3

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