作曲家更新和作曲家安装出现错误时该怎么办? [英] What todo when composer update and composer install give error ?

问题描述

我运行composer install我收到此错误，告诉我使用composer update

I run composer install I got this error, telling me to use composer update

Loading composer repositories with package information
Installing dependencies (including require-dev) from lock file
Warning: The lock file is not up to date with the latest changes in composer.json. You may be getting outdated dependencies. Run update to update them.
Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - Installation request for doctrine/inflector v1.3.0 -> satisfiable by doctrine/inflector[v1.3.0].
    - doctrine/inflector v1.3.0 requires php ^7.1 -> your PHP version (7.0.25) does not satisfy that requirement.
  Problem 2
    - Installation request for symfony/css-selector v4.0.3 -> satisfiable by symfony/css-selector[v4.0.3].
    - symfony/css-selector v4.0.3 requires php ^7.1.3 -> your PHP version (7.0.25) does not satisfy that requirement.
  Problem 3
    - Installation request for symfony/event-dispatcher v4.0.3 -> satisfiable by symfony/event-dispatcher[v4.0.3].
    - symfony/event-dispatcher v4.0.3 requires php ^7.1.3 -> your PHP version (7.0.25) does not satisfy that requirement.
  Problem 4
    - Installation request for doctrine/instantiator 1.1.0 -> satisfiable by doctrine/instantiator[1.1.0].
    - doctrine/instantiator 1.1.0 requires php ^7.1 -> your PHP version (7.0.25) does not satisfy that requirement.
  Problem 5
    - doctrine/inflector v1.3.0 requires php ^7.1 -> your PHP version (7.0.25) does not satisfy that requirement.
    - laravel/framework v5.5.32 requires doctrine/inflector ~1.1 -> satisfiable by doctrine/inflector[v1.3.0].
    - Installation request for laravel/framework v5.5.32 -> satisfiable by laravel/framework[v5.5.32].

我运行composer update，我知道了

Loading composer repositories with package information
Updating dependencies (including require-dev)
Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - doctrine/dbal v2.6.3 requires php ^7.1 -> your PHP version (7.0.25) does not satisfy that requirement.
    - doctrine/dbal v2.6.2 requires php ^7.1 -> your PHP version (7.0.25) does not satisfy that requirement.
    - doctrine/dbal v2.6.1 requires php ^7.1 -> your PHP version (7.0.25) does not satisfy that requirement.
    - doctrine/dbal v2.6.0 requires php ^7.1 -> your PHP version (7.0.25) does not satisfy that requirement.
    - Installation request for doctrine/dbal ^2.6 -> satisfiable by doctrine/dbal[v2.6.0, v2.6.1, v2.6.2, v2.6.3].

现在我该怎么办?

这就是我在composer.json

cat composer.json

{
    "name": "laravel/laravel",
    "description": "The Laravel Framework.",
    "keywords": ["framework", "laravel"],
    "license": "MIT",
    "type": "project",
    "require": {
        "php": ">=7.0.0",
        "anouar/paypalpayment": ">=3.0",
        "doctrine/dbal": "^2.6",
        "fideloper/proxy": "~3.3",
        "guzzlehttp/guzzle": "^6.3",
        "intervention/image": "^2.4",
        "laravel/framework": "5.5.*",
        "laravel/tinker": "~1.0",
        "spatie/laravel-newsletter": "^4.1",
        "srmklive/paypal": "~1.0"
    },
    "require-dev": {
        "filp/whoops": "~2.0",
        "fzaninotto/faker": "~1.4",
        "mockery/mockery": "~1.0",
        "phpunit/phpunit": "~6.0"
    },
    "autoload": {
        "classmap": [
            "database/seeds",
            "database/factories"
        ],
        "psr-4": {
            "App\\": "app/"
        },
        "files": ["app/Http/Helper.php"]
    },
    "autoload-dev": {
        "psr-4": {
            "Tests\\": "tests/"
        }
    },
    "extra": {
        "laravel": {
            "dont-discover": [
            ]
        }
    },
    "scripts": {
        "post-root-package-install": [
            "@php -r \"file_exists('.env') || copy('.env.example', '.env');\""
        ],
        "post-create-project-cmd": [
            "@php artisan key:generate"
        ],
        "post-autoload-dump": [
            "Illuminate\\Foundation\\ComposerScripts::postAutoloadDump",
            "@php artisan package:discover"
        ]
    },
    "config": {
        "preferred-install": "dist",
        "sort-packages": true,
        "optimize-autoloader": true
    }
} 

推荐答案

几天前我遇到了相同的问题，我通过伪造composer.json文件中的php版本来修复了该问题 [不推荐]

I faced the same issue few days ago I fixed it by faking the php version in my composer.json file [Not recommended].

"config": {
        "preferred-install": "dist",
        "sort-packages": true,
        "optimize-autoloader": true,
        "platform" : {
            "php": "7.1"
        }
    }

有关更多详细信息，请阅读此

For more details read this

或者您可以使用--ignore-platform-reqs标志执行composer更新/安装命令，如下所示

Or you can execute composer update/install commands with --ignore-platform-reqs flag as shown below

composer update --ignore-platform-reqs

composer update --ignore-platform-reqs

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