How to install and enable mbstring

To install mbstring in Ubuntu/Debian, run the following command:

sudo apt-get install php-mbstring

In CentOS like this:

sudo yum install php-mbstring

You can activate/deactivate the module like this:

sudo phpenmod mbstring
sudo phpdismod mbstring

Restart Apache2 to apply the changes:

sudo service apache2 restart

Let’s see if mbstring is activated:

php -i | grep -i mbstring

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