Upgrade PHP 5.5.38 to PHP 7 in CentOS 6.10 : <p>I want to update my server with CentOS 6 with PHP 5.5.38 to PHP 7 because few plugins of wordpress doesn't work very well.
I'm new updating these type of systems and I don't know if it's only remove the old version and install a new one or I need to follow specific steps.</p>

<p>Thank you in advance!</p>
