我如何解决“laravel/horizo​​n v1.1.0 requires ext-p

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-7.1phpphp.ini
  You can also run `php --ini` inside terminal to see which files are used by PHP in CLI mode.

我该如何解决这个错误?

How can I solve this error?

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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