count() Function in PHP 8.2, PHP 8.3 & PHP 8.4 With Example

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`count()` Function in PHP 8.2, PHP 8.3 & PHP 8.4

The `count()` function in PHP is used to count the number of elements in an array or countable object.

Syntax

count(array|Countable $value, int $mode = COUNT_NORMAL): int

Example 1: Counting Elements in an Array

<?php
$arr = [1, 2, 3, 4, 5];
echo count($arr); // Output: 5
?>

Example 2: Counting Elements in a Multidimensional Array

<?php
$multiArray = [
"A" => [1, 2, 3],
"B" => [4, 5],
"C" => [6]
];
echo count($multiArray); // Output: 3 (only counts top-level elements)
echo count($multiArray, COUNT_RECURSIVE); // Output: 7 (counts all elements)
?>