Php – How to uninstall PHP 5.4.16

centos7PHPphp-fpm

My VPS came with PHP 5.4.16-43.el7_4.1 installed and I am trying to install PHP 7+, but I have been unable to do so.

Then when I try to install a library, it conflicts, as shown here:

# yum -y install php-mysql
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: repos-va.psychz.net
 * epel: mirror.us-midwest-1.nexcess.net
 * extras: mirrors.greenmountainaccess.net
 * ius: archive.linux.duke.edu
 * updates: mirror.vcu.edu
 * webtatic: us-east.repo.webtatic.com
Resolving Dependencies
--> Running transaction check
---> Package php-mysql.x86_64 0:5.4.16-43.el7_4.1 will be installed
--> Processing Dependency: php-pdo(x86-64) = 5.4.16-43.el7_4.1 for package: php-mysql-5.4.16-43.el7_4.1.x86_64
--> Running transaction check
---> Package php-pdo.x86_64 0:5.4.16-43.el7_4.1 will be installed
--> Processing Dependency: php-common(x86-64) = 5.4.16-43.el7_4.1 for package: php-pdo-5.4.16-43.el7_4.1.x86_64
--> Running transaction check
---> Package php-common.x86_64 0:5.4.16-43.el7_4.1 will be installed
--> Processing Conflict: php70w-common-7.0.27-1.w7.x86_64 conflicts php-common < 7.0
--> Finished Dependency Resolution
Error: php70w-common conflicts with php-common-5.4.16-43.el7_4.1.x86_64
 You could try using --skip-broken to work around the problem
 You could try running: rpm -Va --nofiles --nodigest

How can I completely remove this old version of PHP?

Best Answer

It appears that you want to install a newer version of PHP-MySQL module. You need to be aware that mysql_ library was deprecated years ago and it has been removed entirely in PHP 7. Use a modern replacement such as PDO or mysqli_ instead. See this answer

If you are using CentOS 7, I recommend that you use IUS repository rather than webtatic. So you can disable or remove webtatic repo. I also recommend you remove packages installed from it. For example:

yum -y remove php70w*

Now install php7 after disabling or removing webtatic repo.

For php7.1*

yum -y install php71*

For php7.2*

yum -y install php72*

Try to see if MySQL is supported:

yum list installed | grep -i mysql

If you see php71u-mysqlnd.* for example, it is already supported.

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