Fatal error: Call to undefined function curl_init(
错误提示：Fatal error: Call to undefined function curl_init()
原因：ubuntu未安装curl
解决：
sudo apt-get install curl libcurl3 libcurl3-dev php5-curl重启apache2 或者重启nginx
sudo /etc/init.d/apache2 restart
重启php
错误提示：Fatal error: Call to undefined function curl_init()
原因：ubuntu未安装curl
解决：
sudo apt-get install curl libcurl3 libcurl3-dev php5-curl重启apache2 或者重启nginx
sudo /etc/init.d/apache2 restart
重启php