The "https://getcomposer.org/versions" file could not be downloaded: failed to open stream: The connection attempt failed because the connecting party did not reply properly after a period of time or the connected host was unresponsive.
The "https://getcomposer.org/versions" file could not be downloaded: SSL: The remote host forcibly closed an existing connection.
failed to open stream: HTTP request failed!
Second question
'composer' is not recognized as an internal or external command, operable program or batch file.
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
You have to install composer first