edmondscommerce / doctrine-static-meta

src/SimpleEnv.php

<?php

declare(strict_types=1);

namespace EdmondsCommerce\DoctrineStaticMeta;

use EdmondsCommerce\DoctrineStaticMeta\Exception\ConfigException;

/**
 * Class SimpleEnv
 *
 * A simplistic take on reading .env files
 *
 * We only require parsing very simple key=value pairs
 *
 * For a more fully featured library, see https://github.com/vlucas/phpdotenv
 *
 * @package EdmondsCommerce\DoctrineStaticMeta
 * @SuppressWarnings(PHPMD.Superglobals)
 */
class SimpleEnv
{
    public static function setEnv(string $filePath, array &$server = null): void
    {
        if (null === $server) {
            $server =& $_SERVER;
        }
        if (!file_exists($filePath)) {
            throw new ConfigException('Env file path ' . $filePath . ' does not exist');
        }
        $lines = file($filePath);
        foreach ($lines as $line) {
            self::processLine($line, $server);

It seems like $server can also be of type null; however, parameter $server of EdmondsCommerce\DoctrineStaticMeta\SimpleEnv::processLine() does only seem to accept array, maybe add an additional type check?

        }
    }

    private static function processLine(string $line, array &$server): void
    {
        #skip comments
        if (preg_match('%^\s*#%', $line)) {
            return;
        }
        preg_match(
            #strip leading spaces
            '%^[[:space:]]*'
            #strip leading `export`
            . '(?:export[[:space:]]+|)'
            #parse out the key and assign to named match
            . '(?<key>[^=]+?)'
            #strip out `=`, possibly with space around it
            . '[[:space:]]*=[[:space:]]*'
            #strip out possible quotes
            . "(?:\"|'|)"
            #parse out the value and assign to named match
            . "(?<value>[^\"']+?)"
            #strip out possible quotes
            . "(?:\"|'|)"
            #string out trailing space to end of line
            . '[[:space:]]*$%',
            $line,
            $matches
        );
        if (5 !== count($matches)) {
            return;
        }
        list(, $key, $value) = $matches;
        if (!isset($server[$key])) {
            $server[$key] = $value;
        }
    }
}