# yum install php-devel
Loaded plugins: fastestmirror, priorities
Loading mirror speeds from cached hostfile
 * base: centos.itt-consulting.com
 * epel: mirror.yandex.ru
 * extras: centos.itt-consulting.com
 * passenger: mirror.hmdc.harvard.edu
 * updates: centos.itt-consulting.com
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package php-devel.x86_64 0:5.3.3-14.el6_3 will be installed
--> Processing Dependency: php = 5.3.3-14.el6_3 for package: php-devel-5.3.3-14.el6_3.x86_64
--> Finished Dependency Resolution
Error: Package: php-devel-5.3.3-14.el6_3.x86_64 (updates)
           Requires: php = 5.3.3-14.el6_3
           Installed: php-5.4.6-1.el6.remi.x86_64 (@remi-test)
               php = 5.4.6-1.el6.remi
           Available: php-5.3.3-3.el6_2.8.x86_64 (base)
               php = 5.3.3-3.el6_2.8
           Available: php-5.3.3-14.el6_3.x86_64 (updates)
               php = 5.3.3-14.el6_3
You could try using --skip-broken to work around the problem
You could try running: rpm -Va --nofiles --nodigest