missing mbstring on RHEL 7.4 / PHP 7.0 / Zabbix 3.4

[ect350N]

We are trying to install Zabbix 3.4 on RHEL 7 with PHP 7.0

We are installing from the repository so we did the rpm -ivh .....
then we did;

yum install zabbix-server-mysql (this worked.)

yum install zabbix-server-mysql
This did not work, it is looking for mbstring and bcmath.

QUESTION:
Does Zabbix look for PHP and it's component from a specific installation directory?

Thanks for the help.

[ect350N]

Sorry, correction on the original question/post;

yum install zabbix-server-mysql (this worked.)

yum install zabbix-web-mysql
This did not work, it is looking for mbstring and bcmath.

[allexpetrov]

As I know, the bcmath and mbstring doesn't comes as default PHP component in 7th version. You need to install them separately with

yum install php7-bcmath php7-mbstring

, but in any case just try to search them

I've faced with this issue on Ubuntu Server 16

Regards,
Alex!

[ect350N]

The mbstring /bcmath packages for php7 (that we have) are -
rh-php70-php-mbstring.x86_64
rh-php70-php-bcmath.x86_64

Whereas zabbix is looking for
php-mbstring and php-bcmath

Thanks.