使用composer 安装时出现错误 requires ext-curl * -> the requested PHP extension curl is missing from your system

使用composer 安装时出现错误 requires ext-curl * -> the requested PHP extension curl is missing from your system

ubuntu

使用php5
sudo apt-get install php5-curl

使用php7.0
sudo apt-get install php7.0-curl

使用 php7.1

sudo apt-get install php7.1-curl