Linna\DotEnv\DotEnv

Complexity

Total Complexity

9

Size/Duplication

Total Lines	56
Duplicated Lines	0 %

Test Coverage

Coverage

0%

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
B	load()	0	34	7
A	get()	0	7	2

<?php

/**
 * Linna Framework.
 *
 * @author Sebastian Rapetti <sebastian.rapetti@alice.it>
 * @copyright (c) 2018, Sebastian Rapetti
 * @license http://opensource.org/licenses/MIT MIT License
 */
declare(strict_types = 1);

namespace Linna\DotEnv;

/**
 * DotEnv.
 *
 * Load variables from a .env file to environment.
 */
class DotEnv
{
    /**
     * Get a value from environment.
     *
     * @param string $key
     * @param mixed  $default
     */
    public function get(string $key, $default = null)
    {
        if (($value = getenv($key)) === false) {
            return $default;
        }

        return $value;
    }

    /**
     * Load environment variables from file.
     *
     * @param string $file Path to .env file
     */
    public function load(string $file): bool
    {
        if (!is_file($file)) {
            return false;
        }

        $content = file($file, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);

        foreach ($content as $line) {
            $line = rtrim(ltrim($line));

            //check if the line contains a key value pair
            if (!preg_match("/^\s*([\w.-]+)\s*=\s*(.*)?\s*$/", $line)) {
                continue;
            }

            [$key, $value] = explode('=', $line);

            //set to empty value
            if (strlen($value) === 0) {
                putenv("{$key}=");
                continue;
            }

            $edges = $value[0].$value[-1];

            if ($edges === "''" || $edges === '""') {
                $value = substr($value, 1, -1);
            }

            putenv("{$key}={$value}");
        }

        return true;
    }
}