Install PHP Mcrypt Extension on Redhat 7.4

I have tried to install php mcrypt extension on redhat 7.4 using this command

yum install php-mcrypt

The following errors occured.

No package php-mcrypt available

server info Redhat 7.4, php version (5.4.16), Laravel 5.0

Can you help me how to install this extension?

via Chebli Mohamed