PHP iterator_count() Function Last Updated : 22 Sep, 2023 Comments Improve Suggest changes Like Article Like Report The iterator_count() function is an inbuilt function in PHP that is used to count the number of elements in an iterator. An iterator is an object that is a collection of elements. Syntax: iterator_count(Traversable $iterator) : intParameters: This function accepts only one parameter which is described below. $iterator: The iterator for which you want to count the number of elements. This should be an object that implements the traversable interface, such as an array or an instance of a class that implements iterator or IteratorAggregate.Return Value: The iterator_count() function returns the number of elements in the iterator if this function successfully executes. Program 1: The following program demonstrates the iterator_count() function. PHP <?php $numbers = [1, 2, 3, 4, 5]; $iterator = new ArrayIterator($numbers); $numElements = iterator_count($iterator); echo "Total elements in the iterator: $numElements"; ?> OutputTotal elements in the iterator: 5 Program 2: The following program demonstrates the iterator_count() function. PHP <?php // Sample string $text = "GeeksforGeeks"; $iterator = new ArrayIterator(str_split($text)); // Count the total number of characters // in the string $numCharacters = iterator_count($iterator); echo "Total number of characters in the string: $numCharacters"; ?> OutputTotal number of characters in the string: 13 Reference: https://www.php.net/manual/en/function.iterator-count.php Comment More infoAdvertise with us Next Article PHP iterator_count() Function neeraj3304 Follow Improve Article Tags : PHP PHP-function PHP-SPL-Functions Similar Reads PHP Tutorial PHP is a widely used, open-source server-side scripting language primarily designed for web development. 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