# verify that you do not have any php-pear package installed

sudo yum list installed | grep "php*-pear"

# verify what php version your command line is using (which is _likely_

# to be the same than your web server)

php -v

# see what are the available php-pear package

sudo yum list available | grep "php*-pear"

# install the relevant php pear package

sudo yum install php71w-pear

相关帖子（不是重复的，但可能对某些人有帮助）yum install php-pear* on centos