在 ubuntu 上安装 Composer [关闭]

【问题标题】：install Composer on ubuntu [closed]在 ubuntu 上安装 Composer [关闭]
【发布时间】：2021-05-30 15:06:31
【问题描述】：

php -r “if (hash_file(‘sha384’, ‘composer-setup.php’) === ‘e0012edf3e80b6978849f5eff0d4b4e4c79ff1609dd1e613307e16318854d24ae64f26d17af3ef0bf7cfb710ca74755a’) { echo ‘Installer已验证’ } else { echo ‘安装程序损坏’; unlink('composer-setup.php'); } 回声 PHP_EOL;” bash：意外标记附近的语法错误`（'

rafael@Rafael-VB:~$ php composer-setup.php 无法打开输入文件：composer-setup.php rafael@Rafael-VB:~$ php -r "unlink ('composer-setup.php');" PHP 警告：unlink(composer-setup.php): No such file or directory in Command line code on line 1

【问题讨论】：

你有什么问题？

标签： ubuntu composer-php

【解决方案1】：

确保您下载了composer-setup.php:

curl -sS https://getcomposer.org/installer -o composer-setup.php

顺便说一句，作曲家的完整说明：

php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
php -r "if (hash_file('sha384', 'composer-setup.php') === '756890a4488ce9024fc62c56153228907f1545c228516cbf63f885e036d37e9a59d27d63f46af1d4d07ee0f76181c7d3') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
php composer-setup.php
php -r "unlink('composer-setup.php');"

【讨论】：