如何解决"laravel/horizo​​n v1.1.0要求ext-pcntl *->您的系统缺少所请求的PHP扩展名pcntl"? [英] How can I solve "laravel/horizon v1.1.0 requires ext-pcntl * -> the requested PHP extension pcntl is missing from your system"?

问题描述

当我在命令提示符上运行composer install时，存在这样的错误:

When I run composer install on command promp, there exist error like this :

  Problem 1
    - Installation request for laravel/horizon v1.1.0 -> satisfiable by laravel/horizon[v1.1.0].
    - laravel/horizon v1.1.0 requires ext-pcntl * -> the requested PHP extension pcntl is missing from your system.

  To enable extensions, verify that they are enabled in your .ini files:
    - C:\xampp-7.1\php\php.ini
  You can also run `php --ini` inside terminal to see which files are used by PHP in CLI mode.

如何解决此错误?

推荐答案

使用--ignore-platform-reqs选项运行composer并指定pcntl和posix

Run composer with the --ignore-platform-reqs option and specify pcntl and posix

composer install --ignore-platform-reqs

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