Dot Notation Accessor

config.php

<?php 

return [
    'version' => '1.0.0',
    'table'   => 'table_name',
    'info' => [
        'item' => [
            'name' => 'cherry',
            'value' => 'pick'
          ]
      ]
  ];

dotNotationReader.php

<?php 
function config($name)
{
    $config = require __DIR__ . '/config.php';

    $pieces = explode('.', $name);
    foreach ($pieces as $piece) {
        if (!is_array($config) || !array_key_exists($piece, $config)) {
            // error occurred
            throw new \InvalidArgumentException('That config key does not exist.');
        }
        $config = &$config[$piece];
    }

    return $config;
}

// Use
$version = config('version');
$value = config('info.item.value');