Question

Write a php program to flatten a multidimensional array.

Answer 1

<?php

function array_flatten($array) {

    $result = array();

    foreach ($array as $value) {

        if (is_array($value)) {

            $result = array_merge($result, array_flatten($value));

        } else {

            $result[] = $value;

        }

    }

    return $result;

}

$array = array(1, array(2, 3), array(4, array(5, 6)));

$flattened = array_flatten($array);

print_r($flattened);

?>