Contents

<?php

function flatten($array = [])
{
    $return = array();
    array_walk_recursive($array, function ($x) use (&$return) {
        return !is_null($x) ? $return[] = $x : [];
    });
    return $return;
}

Version data entries

148 entries across 148 versions & 1 rubygems

Version	Path
trackler-2.2.1.38	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.37	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.36	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.35	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.34	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.33	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.32	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.31	tracks/php/exercises/flatten-array/example.php