我已经创建了一个版本为5.4。*的laravel项目,并且我希望该项目的版本为5.5。*
我已经编辑了composer.json,但出现此错误。 错误代码: 您的要求无法解决为一组可安装的软件包。
问题1
composer.json代码
{
"name": "laravel/laravel",
"description": "The Laravel Framework.",
"keywords": ["framework", "laravel"],
"license": "MIT",
"type": "project",
"require": {
"php": ">=5.6.4",
"laravel/framework": "5.5.*",
"laravel/tinker": "~1.0"
},
"require-dev": {
"fzaninotto/faker": "~1.4",
"mockery/mockery": "0.9.*",
"phpunit/phpunit": "~6.0"
},
"autoload": {
"classmap": [
"database"
],
"psr-4": {
"App\\": "app/"
}
},
"autoload-dev": {
"psr-4": {
"Tests\\": "tests/"
}
},
"scripts": {
"post-root-package-install": [
"php -r \"file_exists('.env') || copy('.env.example', '.env');\""
],
"post-create-project-cmd": [
"php artisan key:generate"
],
"post-install-cmd": [
"Illuminate\\Foundation\\ComposerScripts::postInstall",
"php artisan optimize"
],
"post-update-cmd": [
"Illuminate\\Foundation\\ComposerScripts::postUpdate",
"php artisan optimize"
]
},
"config": {
"preferred-install": "dist",
"sort-packages": true,
"optimize-autoloader": true
}
}
答案 0 :(得分:3)
将您的PHP版本更新为7.0或更高版本。您可以在此处https://laravel.com/docs/5.5
查看要求答案 1 :(得分:0)
如果您处于开发环境中,请尝试安装安装新版本的php 。通过安装新版本的xampp,您将获得php的更新版本。
或者,如果您处于生产模式,请转到选择PHP版本并更新它来升级php版本。 >