Online PHP editor | output for Pnl13

@ 2014-05-02T16:17:48Z

<?php
$config = array(
    'test' => array(
        'derp' => array(
            'example' => true,
            'test' => 'derp'),
        'herpa' => 'derpa',
        'perpa' => 'hurradur'));

function flatten($array, $current_path='test') {
    $result = array();
	foreach($array as $key => $val) {
        $path = $current_path . '.' . $key;
        if (is_array($val)) {
            $result[$path] = $val;
            $result = array_merge($result, flatten($val, $path));
        } else {
            $result[$path] = $val;
        }
    }
    return $result;
}

var_dump(flatten($config));

Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: array(6) { ["test.test"]=> array(3) { ["derp"]=> array(2) { ["example"]=> bool(true) ["test"]=> string(4) "derp" } ["herpa"]=> string(5) "derpa" ["perpa"]=> string(8) "hurradur" } ["test.test.derp"]=> array(2) { ["example"]=> bool(true) ["test"]=> string(4) "derp" } ["test.test.derp.example"]=> bool(true) ["test.test.derp.test"]=> string(4) "derp" ["test.test.herpa"]=> string(5) "derpa" ["test.test.perpa"]=> string(8) "hurradur" }

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