<?php
namespace josegonzalez\Dotenv\Filter;
class UppercaseFirstKeyFilter
{
/**
* Uppercases the first letter for all the keys for an environment to a single-depth.
*
* @param array $environment Array of environment data
* @return array
*/
public function __invoke(array $environment)
{
$newEnvironment = array();
foreach ($environment as $key => $value) {
$newEnvironment[ucfirst($key)] = $value;
}
return $newEnvironment;
}
}