----------------------------
php -i | grep 'Client API'

Client API version => 10.1.25-MariaDB
Client API library version => 10.1.25-MariaDB
Client API header version => 5.5.50-MariaDB
Client API version => 10.1.25-MariaDB

기존 PHP 삭제
# yum remove php-*
# yum remove php-common mod_php php-cli



# rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
# rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm
# yum --enablerepo=remi update remi-release

# yum install php70w-pdo php70w-pdo_dblib php70w-pear php70w-pecl-imagick php70w-pecl-imagick-devel
# yum install php70w-pgsql php70w-phpdbg php70w-process php70w-snmp php70w-soap php70w-tidy php70w-xml php70w-xmlrpc

php -v
PHP 7.0.21 (cli) (built: Jul  6 2017 11:19:16) ( NTS )

systemctl restart httpd

php -i | grep 'Client API'
Client API library version => mysqlnd 5.0.12-dev - 20150407 - $Id: b5c5906d452ec590732a93b051f3827e02749b83 $
Client API version => mysqlnd 5.0.12-dev - 20150407 - $Id: b5c5906d452ec590732a93b051f3827e02749b83 $


# systemctl restart httpd

# systemctl restart httpd
# systemctl restart mysql