Yet another package available in centos-sclo-sclo-testing The php-tidy package contains a dynamic shared object that will add support for using the tidy library to PHP. http://php.net/tidy For rh-php56 (EL-7 only) * sclo-php56-php-tidy-5.6.25-1.el7 For rh-php70 (EL-7 only) * sclo-php70-php-tidy-7.0.10-1.el7 Notices: - this extension is already available in upstream collection for CentOS/RHEL 6 (rh-php56-php-tidy and rh-php70-php-tidy) - this extension requires "libtidy" which is not part of CentOS/RHEL 7, but available in EPEL-7. - in both versions the yum install "rh-phpxx-php-tidy" will work. Remi. P.S. https://wiki.centos.org/SpecialInterestGroup/SCLo