hiqdev / composer-config-plugin

src/utils/Helper.php

<?php
/**
 * Composer plugin for config assembling
 *
 * @link      https://github.com/hiqdev/composer-config-plugin
 * @package   composer-config-plugin
 * @license   BSD-3-Clause
 * @copyright Copyright (c) 2016-2018, HiQDev (http://hiqdev.com/)
 */

namespace hiqdev\composer\config\utils;

use Riimu\Kit\PHPEncoder\PHPEncoder;

/**
 * Helper class.
 *
 * @author Andrii Vasyliev <sol@hiqdev.com>
 */
class Helper
{
    /**
     * Merges two or more arrays into one recursively.
     * Based on Yii2 yii\helpers\BaseArrayHelper::merge.
     * @return array the merged array
     */
    public static function mergeConfig(): array
    {
        $args = \func_get_args();
        $res = array_shift($args) ?: [];
        foreach ($args as $items) {
            if (!\is_array($items)) {
                continue;
            }
            foreach ($items as $k => $v) {
                if ($v instanceof \yii\helpers\UnsetArrayValue || $v instanceof \Yiisoft\Arrays\UnsetArrayValue) {

The type Yiisoft\Arrays\UnsetArrayValue was not found. Maybe you did not declare it correctly or list all dependencies?

The type yii\helpers\UnsetArrayValue was not found. Maybe you did not declare it correctly or list all dependencies?

                    unset($res[$k]);
                } elseif ($v instanceof \yii\helpers\ReplaceArrayValue || $v instanceof \Yiisoft\Arrays\ReplaceArrayValue) {

The type Yiisoft\Arrays\ReplaceArrayValue was not found. Maybe you did not declare it correctly or list all dependencies?

The type yii\helpers\ReplaceArrayValue was not found. Maybe you did not declare it correctly or list all dependencies?

                    $res[$k] = $v->value;
                } elseif (\is_int($k)) {
                    /// XXX skip repeated values
                    if (\in_array($v, $res, true))  {
                        continue;
                    }
                    if (isset($res[$k])) {
                        $res[] = $v;
                    } else {
                        $res[$k] = $v;
                    }
                } elseif (\is_array($v) && isset($res[$k]) && \is_array($res[$k])) {
                    $res[$k] = self::mergeConfig($res[$k], $v);
                } else {
                    $res[$k] = $v;
                }
            }
        }

        return $res;
    }

    public static function fixConfig(array $config): array
    {
        $remove = false;
        foreach ($config as $key => &$value) {
            if (is_array($value)) {
                $value = static::fixConfig($value);
            } elseif ($value instanceof RemoveArrayKeys) {
                $remove = true;
                unset($config[$key]);
            }
        }
        if ($remove) {
            return array_values($config);
        }

        return $config;
    }

    public static function exportDefines(array $defines): string
    {
        $res = '';
        foreach ($defines as $key => $value) {
            $var = static::exportVar($value);
            $res .= "defined('$key') or define('$key', $var);\n";
        }

        return $res;
    }

    /**
     * Returns PHP-executable string representation of given value.
     * Uses Riimu/Kit-PHPEncoder based `var_export` alternative.
     * And Opis/Closure to dump closures as PHP code.
     * @param mixed $value
     * @return string
     * @throws \ReflectionException
     */
    public static function exportVar($value): string
    {
        return static::getEncoder()->encode($value);
    }

    private static $encoder;

    private static function getEncoder()
    {
        if (static::$encoder === null) {

Since $encoder is declared private, accessing it with static will lead to errors in possible sub-classes; you can either use self, or increase the visibility of $encoder to at least protected.

            static::$encoder = static::createEncoder();
        }

        return static::$encoder;
    }

    private static function createEncoder()
    {
        $encoder = new PHPEncoder([
            'object.format' => 'serialize',
        ]);
        $encoder->addEncoder(new ClosureEncoder(), true);

        return $encoder;
    }
}