How to install PHP mbstring on CentOS 6.2

How do I install mbstring with PHP on CentOS 6.2

I've tried:

$ sudo yum install php-mbstring

Loaded plugins: fastestmirror, security
Loading mirror speeds from cached hostfile
 * base:
 * extras:
 * updates:
Setting up Install Process
No package php-mbstring available.
Error: Nothing to do

But no packages were found?


do the following:

sudo nano /etc/yum.repos.d/CentOS-Base.repo

under the section updates, comment out the mirrorlist line (put a # in front of the line), then on a new line write:


now try:

yum install php-mbstring

(afterwards you'll probably want to uncomment the mirrorlist and comment out the baseurl)

If you have cPanel hosting you can use Easy Apache to do this through shell. These are the steps.

  1. Type the Easy Apache PathType the path for Easy Apache

    root@vps#### [~]# /scripts/easyapache

  2. Do not say yes to the "cPanel update available".
  3. Continue through the screens with defaults till you get to the "Exhaustive options list".
  4. Page down till you see the Mbstring extension listed and select it.
  5. Continue through the Steps and Save the Apache PHP build.

Apache and PHP will now rebuild to include the mbstring extension. Wait for the process to finish ~10 to 30 minutes. Once the process is finished you should see the Mbstring extension in the phpinfo now.

For more detailed steps see the article Installing the mbstring extension with Easy Apache

Please check your /etc/yum.conf file, maybe it is exclude php packages.

You should remove php* from this line so you can download php-* packages:

exclude= courier* dovecot* exim* filesystem httpd* mod_ssl* mydns* php*

It's seems your server having some scripts like cPanel

*Make sure you update your linux box first

yum update

In case someone still has this problem, this is a valid solution:

centos-release : rpm -q centos-release

Centos 6.*

rpm -ivh epel-release-6-8.noarch.rpm
rpm -Uvh remi-release-6*.rpm

Centos 5.*

rpm -ivh epel-release-5-4.noarch.rpm
rpm -Uvh remi-release-5*.rpm

Then just do this to update:

yum --enablerepo=remi upgrade php-mbstring

Or this to install:

yum --enablerepo=remi install php-mbstring

yum install php-mbstring (as per

I think you have to install the EPEL repository

  1. Find out php version - php -v
  2. Search for php extensions available - yum search php-
  3. Install using - yum install ea-php56-php-mbstring.x86_64
  4. Then httpd -k restart

Package name - ea-php-php-mbstring.x86_64

As yum install php-mbstring then httpd -k restart didn't do it for me, I think these options should be compiled, as documented here:

Now, configure and build PHP. This is where you customize PHP with various options, like which extensions will be enabled. Run ./configure --help for a list of available options. In our example we'll do a simple configure with Apache 2 and MySQL support.

If you built Apache from source, as described above, the below example will match your path for apxs, but if you installed Apache some other way, you'll need to adjust the path to apxs accordingly. Note that some distros may rename apxs to apxs2.

cd ../php-NN
./configure --with-apxs2=/usr/local/apache2/bin/apxs --with-mysql --enable-mbstring
make install

If you decide to change your configure options after installation, you'll need to re-run the configure, make, and make install steps. You only need to restart apache for the new module to take effect. A recompile of Apache is not needed.

Note that unless told otherwise, 'make install' will also install PEAR, various PHP tools such as phpize, install the PHP CLI, and more.

Though this page says it's optional:

--enable-mbstring Allows multibyte character string support. This is optional, as slower custom code will be used if not available.

None of above works for godaddy server centOS 6, apache 2.4, php 5.6

Instead, you should

Install the mbstring PHP Extension with EasyApache

check if you already have it by, putty or ssh

php -m | grep mbstring

[if nothing, means missing mbstring]

Now you need to goto godaddy your account page,

click manager server,

open whm ----- search for apache,

open "easy apache 4"(my case)

Now you need customize currently installed packages,


click "customize" button on top line next to "currently installed package..."

search mbstring,

click on/off toggle next to it.

click next, next, .... privision..done.

Now you should have mbstring

by check again at putty(ssh)

php -m | grep mbstring [should see mbstring]

or you can find mbstring at phpinfo() page

I have experienced the same issue before. In my case, I needed to install php-mbstring extension on GoDaddy VPS server. None of above solutions did work for me.

What I've found is to install PHP extensions using WHM (Web Hosting Manager) of GoDaddy. Anyone who use GoDaddy VPS server can access this page with the following address.


On this page, you can easily find Easy Apache software that can help you to install/upgrade php components and extensions. You can select currently installed profile and customize and then provision the profile. Everything with Easy Apache is explanatory.

I remember that I did very similar things for HostGator server, but I don't remember how actually I did for profile update.

Edit: When you have got the server which supports Web Hosting Manager, then you can add/update/remove php extensions on WHM. On godaddy servers, it's even recommended to update PHP ini settings on WHM.

If none of the above help you out, and you have the option, try obtaining one of the rpm files eg:


then using rpm, install it ignoring the depenecies like so:

rpm -i --nodeps php-mbstring-5.4.45-2.el6.remi.x86_64.rpm

Hope that helps out.

sudo yum install php<version>w-mbstring

ex. sudo yum install php56w-mbstring

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