delagics/yii2-app-another

<?php

use yii\helpers\StringHelper as Str;

if (!function_exists('value')) {
    /**
     * Return the default value of the given value.
     *
     * @param  mixed $value
     * @return mixed
     */
    function value($value)
    {
        return $value instanceof Closure ? $value() : $value;
    }
}

if (!function_exists('env')) {
    /**
     * Gets the value of an environment variable. Supports boolean, empty and null.
     *
     * @param  string $key
     * @param  mixed  $default
     * @return mixed
     */
    function env($key, $default = null)
    {
        $value = getenv($key);
        if ($value === false) {
            return value($default);
        }
        switch (strtolower($value)) {
            case 'true':
            case '(true)':
                return true;
            case 'false':
            case '(false)':
                return false;
            case 'empty':
            case '(empty)':
                return '';
            case 'null':
            case '(null)':
                return;
        }
        if (strlen($value) > 1 && Str::startsWith($value, '"') && Str::endsWith($value, '"')) {
            return substr($value, 1, -1);
        }

        return $value;
    }
}