yum update

Transaction Check Error:
  file /usr/lib64/php-zts/modules/curl.so conflicts between attempted installs of php-common-5.3.28-4.el6.x86_64 and php55-common-5.5.11-1.el6.x86_64
  file /usr/lib64/php-zts/modules/fileinfo.so conflicts between attempted installs of php-common-5.3.28-4.el6.x86_64 and php55-common-5.5.11-1.el6.x86_64
  file /usr/lib64/php-zts/modules/phar.so conflicts between attempted installs of php-common-5.3.28-4.el6.x86_64 and php55-common-5.5.11-1.el6.x86_64
  file /usr/lib64/php/modules/curl.so conflicts between attempted installs of php-common-5.3.28-4.el6.x86_64 and php55-common-5.5.11-1.el6.x86_64
  file /usr/lib64/php/modules/fileinfo.so conflicts between attempted installs of php-common-5.3.28-4.el6.x86_64 and php55-common-5.5.11-1.el6.x86_64
  file /usr/lib64/php/modules/phar.so conflicts between attempted installs of php-common-5.3.28-4.el6.x86_64 and php55-common-5.5.11-1.el6.x86_64
  file /usr/lib64/php-zts/modules/pdo.so conflicts between attempted installs of php55-pdo-5.5.11-1.el6.x86_64 and php-pdo-5.3.28-4.el6.x86_64
  file /usr/lib64/php-zts/modules/pdo_sqlite.so conflicts between attempted installs of php55-pdo-5.5.11-1.el6.x86_64 and php-pdo-5.3.28-4.el6.x86_64
  file /usr/lib64/php-zts/modules/sqlite3.so conflicts between attempted installs of php55-pdo-5.5.11-1.el6.x86_64 and php-pdo-5.3.28-4.el6.x86_64
  file /usr/lib64/php/modules/pdo.so conflicts between attempted installs of php55-pdo-5.5.11-1.el6.x86_64 and php-pdo-5.3.28-4.el6.x86_64
  file /usr/lib64/php/modules/pdo_sqlite.so conflicts between attempted installs of php55-pdo-5.5.11-1.el6.x86_64 and php-pdo-5.3.28-4.el6.x86_64
  file /usr/lib64/php/modules/sqlite3.so conflicts between attempted installs of php55-pdo-5.5.11-1.el6.x86_64 and php-pdo-5.3.28-4.el6.x86_64

Error Summary
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