some php is below, some above 5.4 – i dont really know which is responsible. (nor how to upgrade. so is it necessary in your opinion?)
???
php 5.3.3-48.el6_8
php-fpm 5.3.3-48.el6_8
php52 5.2.17-centos6.15100614
php53 5.3.29-centos6.15102117
php54 5.4.45-centos6.16032517
php55 5.5.38-centos6.16072212
php56 5.6.24-centos6.16072212
???