如何解决 Laravel Composer 问题 - 您的需求无法解析为一组可安装的软件包

Question

我正在使用 Windows 操作系统来运行 PHP Laravel-8 应用程序。我的 Windows 本地系统中所有项目的 PHP 版本是 PHP-Version3.8。我本地系统中的所有 Laravel 项目都有 ("php": "^7.3|^8.0",)

但是，我从团队项目中提出了拉取请求，但它是 PHP-Version4。该项目还使用 Laravel-8 框架 ("php": "^7.4|^8.0",)

当我尝试在下载的项目上运行 composer install 时，我收到了这个错误：

Your lock file does not contain a compatible set of packages. Please run composer update.

Problem 1
  - Root composer.json requires php ^7.4|^8.0 but your PHP version (7.3.8) does not satisfy that requirement.
  Problem 2
  - lcobucci/clock is locked to version 2.0.0 and an update of this package was not requested.
  - lcobucci/clock 2.0.0 requires php ^7.4 || ^8.0 -> your php version (7.3.8) does not satisfy that requirement.
Problem 3
  - lcobucci/jwt is locked to version 4.0.3 and an update of this package was not requested.
  - lcobucci/jwt 4.0.3 requires php ^7.4 || ^8.0 -> your php version (7.3.8) does not satisfy that requirement.
Problem 4
  - lcobucci/jwt 4.0.3 requires php ^7.4 || ^8.0 -> your php version (7.3.8) does not satisfy that requirement.
  - league/oauth2-server 8.2.4 requires lcobucci/jwt ^3.4 || ^4.0 -> satisfiable by lcobucci/jwt[4.0.3].
  - league/oauth2-server is locked to version 8.2.4 and an update of this package was not requested.

然后当我更新作曲家时，错误是这样的：

Your requirements could not be resolved to an installable set of packages.

Problem 1
 - Root composer.json requires php ^7.4|^8.0 but your php version (7.3.8) does not satisfy that requirement.

所有项目都在使用 composer-2

如果我将本地系统升级到 PHPV-7.4，我会遇到部署项目的问题。

我该如何解决这个问题？

谢谢

Answer 1

打开您的composer.json 文件并将版本替换为：

"require": {
    "php": "^7.3|^8.0",
},

你也可以使用这个命令：

composer install --ignore-platform-reqs

编辑：

如果这不起作用或导致更多问题，我建议您更新 PHP 版本，然后您必须为旧项目指定 PHP 版本并将它们绑定到使用 PHP 7.3 以避免任何问题。在更新 PHP 后的每个旧项目的 composer.json 文件中添加这些行：

"config": {

  "platform": {

    "php": "7.3"

  }

},