> > > Can someone offer their experience/advice in this regard? (remove php, > install php53, CentOS 5) > > Hi. I did exactly this about a year ago under CentOS 5.6. I just had a look at my notes: yum install yum-utils (for package-cleanup) yum remove php php-common # These below were installed over a few days, other php packages were installed later. # I think php53-common will get installed if you install php53 anyway. yum install php53 php53-common yum install php53-mysql yum install php53-devel yum install php53-pgsql yum install php53-odbc # Not a typo. php-pear will give you the pecl package so you can install apc. yum install php-pear # I needed this for apc yum install pcre-devel I don't remember having a problem related to php53 under CentOS 5.6, 5.7, 5.8. I can access all current, popular databases (Si- or NoSQL), all extra modules (e.g. gd) that I needed work. Regards, Jesus