yum install php-gd安装php gd库报错Error: php56w-common conflicts with php-common-5.3.3-48.el6_8.x86_64大概的意思是错误：php56w-common与php-common-5.3.3-48.el6_8.x86_64冲突yum install php56w-gd 安装，ok 问题解决