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-2.2.1.180	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.179	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.178	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.177	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.176	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.175	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.174	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.173	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.172	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.171	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.170	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.169	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.167	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.166	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.165	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.164	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.163	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.162	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.161	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.160	tracks/php/exercises/flatten-array/example.php