How to install php-mcrypt on php-5.4 SCL

How to install php-mcrypt for php-5.4 on CentOs 6.x SCL

wget http://rpms.southbridge.ru/rhel6/php-5.4/x86_64/php-mcrypt-5.4.16-1.el6.x86_64.rpm
By EPEL:

yum inatall libmcrypt

yum install php-common
rpm2cpio php-mcrypt-5.4.16-1.el6.x86_64.rpm | cpio -idmv
cp etc/php.d/mcrypt.ini /opt/rh/php54/root/etc/php.d/

cp usr/lib64/php/modules/mcrypt.so /opt/rh/php54/root/usr/lib64/php/modules/
vim /opt/rh/php54/root/etc/php.ini

and add

extension=mcrypt.so