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-2.2.1.98	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.97	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.96	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.95	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.94	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.93	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.92	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.91	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.90	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.89	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.88	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.87	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.86	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.85	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.84	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.83	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.82	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.81	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.80	tracks/php/exercises/flatten-array/example.php
trackler-2.2.1.79	tracks/php/exercises/flatten-array/example.php