I have removed php-pecl-radius and then run yum update again which worked ok, thanks for that.
tried to re-install php-pecl-radius and got this,
Error: Package: php-pecl-radius-1.2.7-1.el6.x86_64 (epel)
Requires: php(api) = 20090626
Installed: php-common-5.4.45-56.el6.art.x86_64 (
@atomic)
php(api) = 20100412-x86-64
Available: atomic-php55-php-common-5.5.30-30.el6.art.x86_64 (atomic)
php(api) = 20121113-64
Available: atomic-php55-php-common-5.5.31-31.el6.art.x86_64 (atomic)
php(api) = 20121113-64
Available: atomic-php55-php-common-5.5.32-32.el6.art.x86_64 (atomic)
php(api) = 20121113-64
Available: atomic-php55-php-common-5.5.33-33.el6.art.x86_64 (atomic)
php(api) = 20121113-64
Available: atomic-php55-php-common-5.5.34-34.el6.art.x86_64 (atomic)
php(api) = 20121113-64
Available: atomic-php55-php-common-5.5.35-35.el6.art.x86_64 (atomic)
php(api) = 20121113-64
Available: atomic-php55-php-common-5.5.36-36.el6.art.x86_64 (atomic)
php(api) = 20121113-64
Available: atomic-php55-php-common-5.5.37-37.el6.art.x86_64 (atomic)
php(api) = 20121113-64
Available: atomic-php55-php-common-5.5.38-38.el6.art.x86_64 (atomic)
php(api) = 20121113-64
Available: atomic-php56-php-common-5.6.11-26.el6.art.x86_64 (atomic)
php(api) = 20131106-64
Available: atomic-php56-php-common-5.6.12-28.el6.art.x86_64 (atomic)
php(api) = 20131106-64
Available: atomic-php56-php-common-5.6.13-27.el6.art.x86_64 (atomic)
php(api) = 20131106-64
Available: atomic-php56-php-common-5.6.14-29.el6.art.x86_64 (atomic)
php(api) = 20131106-64
Available: atomic-php56-php-common-5.6.15-30.el6.art.x86_64 (atomic)
php(api) = 20131106-64
Available: atomic-php56-php-common-5.6.16-31.el6.art.x86_64 (atomic)
php(api) = 20131106-64
Available: atomic-php56-php-common-5.6.17-32.el6.art.x86_64 (atomic)
php(api) = 20131106-64
Available: atomic-php56-php-common-5.6.18-33.el6.art.x86_64 (atomic)
php(api) = 20131106-64
Available: atomic-php56-php-common-5.6.19-34.el6.art.x86_64 (atomic)
php(api) = 20131106-64
Available: atomic-php56-php-common-5.6.20-35.el6.art.x86_64 (atomic)
php(api) = 20131106-64
Available: atomic-php56-php-common-5.6.21-36.el6.art.x86_64 (atomic)
php(api) = 20131106-64
Available: atomic-php56-php-common-5.6.22-37.el6.art.x86_64 (atomic)
php(api) = 20131106-64
Available: atomic-php56-php-common-5.6.23-38.el6.art.x86_64 (atomic)
php(api) = 20131106-64
Available: atomic-php56-php-common-5.6.25-39.el6.art.x86_64 (atomic)
php(api) = 20131106-64
Available: atomic-php56-php-common-5.6.26-40.el6.art.x86_64 (atomic)
php(api) = 20131106-64
Available: php-common-5.3.3-47.el6.x86_64 (base)
php(api) = 20090626
Available: php-common-5.3.3-48.el6_8.x86_64 (updates)
php(api) = 20090626
Available: php-common-5.4.42-48.el6.art.i686 (atomic)
php(api) = 20100412-x86-32
Available: php-common-5.4.43-49.el6.art.i686 (atomic)
php(api) = 20100412-x86-32
Available: php-common-5.4.44-50.el6.art.i686 (atomic)
php(api) = 20100412-x86-32
Available: php-common-5.4.45-51.el6.art.i686 (atomic)
php(api) = 20100412-x86-32
Available: php-common-5.4.45-52.el6.art.i686 (atomic)
php(api) = 20100412-x86-32
Available: php-common-5.4.45-53.el6.art.i686 (atomic)
php(api) = 20100412-x86-32
Available: php-common-5.4.45-54.el6.art.i686 (atomic)
php(api) = 20100412-x86-32
Error: Package: php-pecl-radius-1.2.7-1.el6.x86_64 (epel)
Requires: php(zend-abi) = 20090626
Installed: php-common-5.4.45-56.el6.art.x86_64 (
@atomic)
php(zend-abi) = 20100525-x86-64
Available: atomic-php55-php-common-5.5.30-30.el6.art.x86_64 (atomic)
php(zend-abi) = 20121212-64
Available: atomic-php55-php-common-5.5.31-31.el6.art.x86_64 (atomic)
php(zend-abi) = 20121212-64
Available: atomic-php55-php-common-5.5.32-32.el6.art.x86_64 (atomic)
php(zend-abi) = 20121212-64
Available: atomic-php55-php-common-5.5.33-33.el6.art.x86_64 (atomic)
php(zend-abi) = 20121212-64
Available: atomic-php55-php-common-5.5.34-34.el6.art.x86_64 (atomic)
php(zend-abi) = 20121212-64
Available: atomic-php55-php-common-5.5.35-35.el6.art.x86_64 (atomic)
php(zend-abi) = 20121212-64
Available: atomic-php55-php-common-5.5.36-36.el6.art.x86_64 (atomic)
php(zend-abi) = 20121212-64
Available: atomic-php55-php-common-5.5.37-37.el6.art.x86_64 (atomic)
php(zend-abi) = 20121212-64
Available: atomic-php55-php-common-5.5.38-38.el6.art.x86_64 (atomic)
php(zend-abi) = 20121212-64
Available: atomic-php56-php-common-5.6.11-26.el6.art.x86_64 (atomic)
php(zend-abi) = 20131226-64
Available: atomic-php56-php-common-5.6.12-28.el6.art.x86_64 (atomic)
php(zend-abi) = 20131226-64
Available: atomic-php56-php-common-5.6.13-27.el6.art.x86_64 (atomic)
php(zend-abi) = 20131226-64
Available: atomic-php56-php-common-5.6.14-29.el6.art.x86_64 (atomic)
php(zend-abi) = 20131226-64
Available: atomic-php56-php-common-5.6.15-30.el6.art.x86_64 (atomic)
php(zend-abi) = 20131226-64
Available: atomic-php56-php-common-5.6.16-31.el6.art.x86_64 (atomic)
php(zend-abi) = 20131226-64
Available: atomic-php56-php-common-5.6.17-32.el6.art.x86_64 (atomic)
php(zend-abi) = 20131226-64
Available: atomic-php56-php-common-5.6.18-33.el6.art.x86_64 (atomic)
php(zend-abi) = 20131226-64
Available: atomic-php56-php-common-5.6.19-34.el6.art.x86_64 (atomic)
php(zend-abi) = 20131226-64
Available: atomic-php56-php-common-5.6.20-35.el6.art.x86_64 (atomic)
php(zend-abi) = 20131226-64
Available: atomic-php56-php-common-5.6.21-36.el6.art.x86_64 (atomic)
php(zend-abi) = 20131226-64
Available: atomic-php56-php-common-5.6.22-37.el6.art.x86_64 (atomic)
php(zend-abi) = 20131226-64
Available: atomic-php56-php-common-5.6.23-38.el6.art.x86_64 (atomic)
php(zend-abi) = 20131226-64
Available: atomic-php56-php-common-5.6.25-39.el6.art.x86_64 (atomic)
php(zend-abi) = 20131226-64
Available: atomic-php56-php-common-5.6.26-40.el6.art.x86_64 (atomic)
php(zend-abi) = 20131226-64
Available: php-common-5.3.3-47.el6.x86_64 (base)
php(zend-abi) = 20090626
Available: php-common-5.3.3-48.el6_8.x86_64 (updates)
php(zend-abi) = 20090626
Available: php-common-5.4.42-48.el6.art.i686 (atomic)
php(zend-abi) = 20100525-x86-32
Available: php-common-5.4.43-49.el6.art.i686 (atomic)
php(zend-abi) = 20100525-x86-32
Available: php-common-5.4.44-50.el6.art.i686 (atomic)
php(zend-abi) = 20100525-x86-32
Available: php-common-5.4.45-51.el6.art.i686 (atomic)
php(zend-abi) = 20100525-x86-32
Available: php-common-5.4.45-52.el6.art.i686 (atomic)
php(zend-abi) = 20100525-x86-32
Available: php-common-5.4.45-53.el6.art.i686 (atomic)
php(zend-abi) = 20100525-x86-32
Available: php-common-5.4.45-54.el6.art.i686 (atomic)
php(zend-abi) = 20100525-x86-32
You could try using --skip-broken to work around the problem
You could try running: rpm -Va --nofiles --nodigest